Home / 42,122,428.86-58,127,836.76-23,537,721.70

Finding the Fourth Proportional to 42,122,428.86, 58,127,836.76 and 23,537,721.70

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Solution

The fourth proportional to 42,122,428.86, 58,127,836.76 and 23,537,721.70 is: 32,481,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122,428.86 : 58,127,836.76 = 23,537,721.70 : x
  2. Step 2: Convert to fraction form
    42,122,428.86/58,127,836.76 = 23,537,721.70/x
  3. Step 3: Cross multiply
    42,122,428.86x = 58,127,836.76 × 23,537,721.70
  4. Step 4: Simplify right side
    42,122,428.86x = 1,368,196,844,679,909.50
  5. Step 5: Solve for x
    x = 1,368,196,844,679,909.50/42,122,428.86
  6. Step 6: Final answer
    x = 32,481,432.85

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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.