Home / 103,274,702.65-142,521,645.33-56,234,354.95

Finding the Fourth Proportional to 103,274,702.65, 142,521,645.33 and 56,234,354.95

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Solution

The fourth proportional to 103,274,702.65, 142,521,645.33 and 56,234,354.95 is: 77,604,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,274,702.65 : 142,521,645.33 = 56,234,354.95 : x
  2. Step 2: Convert to fraction form
    103,274,702.65/142,521,645.33 = 56,234,354.95/x
  3. Step 3: Cross multiply
    103,274,702.65x = 142,521,645.33 × 56,234,354.95
  4. Step 4: Simplify right side
    103,274,702.65x = 8,014,612,791,545,231
  5. Step 5: Solve for x
    x = 8,014,612,791,545,231/103,274,702.65
  6. Step 6: Final answer
    x = 77,604,801.43

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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.