Home / 97,053,856,817.40-145,580,785,226.10-81,381,023,998.20

Finding the Fourth Proportional to 97,053,856,817.40, 145,580,785,226.10 and 81,381,023,998.20

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Solution

The fourth proportional to 97,053,856,817.40, 145,580,785,226.10 and 81,381,023,998.20 is: 122,071,535,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,053,856,817.40 : 145,580,785,226.10 = 81,381,023,998.20 : x
  2. Step 2: Convert to fraction form
    97,053,856,817.40/145,580,785,226.10 = 81,381,023,998.20/x
  3. Step 3: Cross multiply
    97,053,856,817.40x = 145,580,785,226.10 × 81,381,023,998.20
  4. Step 4: Simplify right side
    97,053,856,817.40x = 11,847,513,376,162,043,658,240
  5. Step 5: Solve for x
    x = 11,847,513,376,162,043,658,240/97,053,856,817.40
  6. Step 6: Final answer
    x = 122,071,535,997.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.