Home / 89,064,814.10-133,597,221.15-66,389,998.10

Finding the Fourth Proportional to 89,064,814.10, 133,597,221.15 and 66,389,998.10

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Solution

The fourth proportional to 89,064,814.10, 133,597,221.15 and 66,389,998.10 is: 99,584,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,064,814.10 : 133,597,221.15 = 66,389,998.10 : x
  2. Step 2: Convert to fraction form
    89,064,814.10/133,597,221.15 = 66,389,998.10/x
  3. Step 3: Cross multiply
    89,064,814.10x = 133,597,221.15 × 66,389,998.10
  4. Step 4: Simplify right side
    89,064,814.10x = 8,869,519,258,313,780
  5. Step 5: Solve for x
    x = 8,869,519,258,313,780/89,064,814.10
  6. Step 6: Final answer
    x = 99,584,997.15

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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.