Home / 42,712,129.09-58,942,444.20-23,132,569.17

Finding the Fourth Proportional to 42,712,129.09, 58,942,444.20 and 23,132,569.17

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Solution

The fourth proportional to 42,712,129.09, 58,942,444.20 and 23,132,569.17 is: 31,922,786.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,712,129.09 : 58,942,444.20 = 23,132,569.17 : x
  2. Step 2: Convert to fraction form
    42,712,129.09/58,942,444.20 = 23,132,569.17/x
  3. Step 3: Cross multiply
    42,712,129.09x = 58,942,444.20 × 23,132,569.17
  4. Step 4: Simplify right side
    42,712,129.09x = 1,363,490,167,639,652.25
  5. Step 5: Solve for x
    x = 1,363,490,167,639,652.25/42,712,129.09
  6. Step 6: Final answer
    x = 31,922,786.26

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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.