Home / 55,721,812.90-83,417,382.15-41,408,335.30

Finding the Fourth Proportional to 55,721,812.90, 83,417,382.15 and 41,408,335.30

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Solution

The fourth proportional to 55,721,812.90, 83,417,382.15 and 41,408,335.30 is: 61,989,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,721,812.90 : 83,417,382.15 = 41,408,335.30 : x
  2. Step 2: Convert to fraction form
    55,721,812.90/83,417,382.15 = 41,408,335.30/x
  3. Step 3: Cross multiply
    55,721,812.90x = 83,417,382.15 × 41,408,335.30
  4. Step 4: Simplify right side
    55,721,812.90x = 3,454,174,929,915,435
  5. Step 5: Solve for x
    x = 3,454,174,929,915,435/55,721,812.90
  6. Step 6: Final answer
    x = 61,989,636.56

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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.