Home / 49,957,312.47-68,902,920.40-42,999,642.61

Finding the Fourth Proportional to 49,957,312.47, 68,902,920.40 and 42,999,642.61

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Solution

The fourth proportional to 49,957,312.47, 68,902,920.40 and 42,999,642.61 is: 59,306,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,957,312.47 : 68,902,920.40 = 42,999,642.61 : x
  2. Step 2: Convert to fraction form
    49,957,312.47/68,902,920.40 = 42,999,642.61/x
  3. Step 3: Cross multiply
    49,957,312.47x = 68,902,920.40 × 42,999,642.61
  4. Step 4: Simplify right side
    49,957,312.47x = 2,962,800,951,985,278.50
  5. Step 5: Solve for x
    x = 2,962,800,951,985,278.50/49,957,312.47
  6. Step 6: Final answer
    x = 59,306,652.13

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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.