Home / 42,585,792.13-64,012,041.27-28,105,773.27

Finding the Fourth Proportional to 42,585,792.13, 64,012,041.27 and 28,105,773.27

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Solution

The fourth proportional to 42,585,792.13, 64,012,041.27 and 28,105,773.27 is: 42,246,670.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,585,792.13 : 64,012,041.27 = 28,105,773.27 : x
  2. Step 2: Convert to fraction form
    42,585,792.13/64,012,041.27 = 28,105,773.27/x
  3. Step 3: Cross multiply
    42,585,792.13x = 64,012,041.27 × 28,105,773.27
  4. Step 4: Simplify right side
    42,585,792.13x = 1,799,107,918,484,503
  5. Step 5: Solve for x
    x = 1,799,107,918,484,503/42,585,792.13
  6. Step 6: Final answer
    x = 42,246,670.27

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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.