Home / 113,765,902.75-156,995,828.09-61,553,792.80

Finding the Fourth Proportional to 113,765,902.75, 156,995,828.09 and 61,553,792.80

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Solution

The fourth proportional to 113,765,902.75, 156,995,828.09 and 61,553,792.80 is: 84,943,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,765,902.75 : 156,995,828.09 = 61,553,792.80 : x
  2. Step 2: Convert to fraction form
    113,765,902.75/156,995,828.09 = 61,553,792.80/x
  3. Step 3: Cross multiply
    113,765,902.75x = 156,995,828.09 × 61,553,792.80
  4. Step 4: Simplify right side
    113,765,902.75x = 9,663,688,672,016,022
  5. Step 5: Solve for x
    x = 9,663,688,672,016,022/113,765,902.75
  6. Step 6: Final answer
    x = 84,943,629.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.