Home / 98,348,006.20-147,522,009.30-74,460,134.20

Finding the Fourth Proportional to 98,348,006.20, 147,522,009.30 and 74,460,134.20

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Solution

The fourth proportional to 98,348,006.20, 147,522,009.30 and 74,460,134.20 is: 111,690,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,348,006.20 : 147,522,009.30 = 74,460,134.20 : x
  2. Step 2: Convert to fraction form
    98,348,006.20/147,522,009.30 = 74,460,134.20/x
  3. Step 3: Cross multiply
    98,348,006.20x = 147,522,009.30 × 74,460,134.20
  4. Step 4: Simplify right side
    98,348,006.20x = 10,984,508,609,931,650
  5. Step 5: Solve for x
    x = 10,984,508,609,931,650/98,348,006.20
  6. Step 6: Final answer
    x = 111,690,201.30

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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.