Home / 42,688,531.28-58,910,160.48-23,109,405.08

Finding the Fourth Proportional to 42,688,531.28, 58,910,160.48 and 23,109,405.08

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Solution

The fourth proportional to 42,688,531.28, 58,910,160.48 and 23,109,405.08 is: 31,890,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,688,531.28 : 58,910,160.48 = 23,109,405.08 : x
  2. Step 2: Convert to fraction form
    42,688,531.28/58,910,160.48 = 23,109,405.08/x
  3. Step 3: Cross multiply
    42,688,531.28x = 58,910,160.48 × 23,109,405.08
  4. Step 4: Simplify right side
    42,688,531.28x = 1,361,378,761,860,127
  5. Step 5: Solve for x
    x = 1,361,378,761,860,127/42,688,531.28
  6. Step 6: Final answer
    x = 31,890,972.14

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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.