Home / 83,534,547.63-125,305,220.21-39,792,820.71

Finding the Fourth Proportional to 83,534,547.63, 125,305,220.21 and 39,792,820.71

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Solution

The fourth proportional to 83,534,547.63, 125,305,220.21 and 39,792,820.71 is: 59,690,850.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,534,547.63 : 125,305,220.21 = 39,792,820.71 : x
  2. Step 2: Convert to fraction form
    83,534,547.63/125,305,220.21 = 39,792,820.71/x
  3. Step 3: Cross multiply
    83,534,547.63x = 125,305,220.21 × 39,792,820.71
  4. Step 4: Simplify right side
    83,534,547.63x = 4,986,248,161,644,634
  5. Step 5: Solve for x
    x = 4,986,248,161,644,634/83,534,547.63
  6. Step 6: Final answer
    x = 59,690,850.11

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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.