Home / 142,407,770.40-213,647,470.56-65,785,010.40

Finding the Fourth Proportional to 142,407,770.40, 213,647,470.56 and 65,785,010.40

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Solution

The fourth proportional to 142,407,770.40, 213,647,470.56 and 65,785,010.40 is: 98,694,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,407,770.40 : 213,647,470.56 = 65,785,010.40 : x
  2. Step 2: Convert to fraction form
    142,407,770.40/213,647,470.56 = 65,785,010.40/x
  3. Step 3: Cross multiply
    142,407,770.40x = 213,647,470.56 × 65,785,010.40
  4. Step 4: Simplify right side
    142,407,770.40x = 14,054,801,072,723,294
  5. Step 5: Solve for x
    x = 14,054,801,072,723,294/142,407,770.40
  6. Step 6: Final answer
    x = 98,694,060.26

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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.