Home / 49,957,311.47-68,902,919.02-42,999,641.61

Finding the Fourth Proportional to 49,957,311.47, 68,902,919.02 and 42,999,641.61

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Solution

The fourth proportional to 49,957,311.47, 68,902,919.02 and 42,999,641.61 is: 59,306,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,957,311.47 : 68,902,919.02 = 42,999,641.61 : x
  2. Step 2: Convert to fraction form
    49,957,311.47/68,902,919.02 = 42,999,641.61/x
  3. Step 3: Cross multiply
    49,957,311.47x = 68,902,919.02 × 42,999,641.61
  4. Step 4: Simplify right side
    49,957,311.47x = 2,962,800,823,538,216
  5. Step 5: Solve for x
    x = 2,962,800,823,538,216/49,957,311.47
  6. Step 6: Final answer
    x = 59,306,650.75

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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.