Home / 66,904,135.71-92,155,679.83-47,291,305.61

Finding the Fourth Proportional to 66,904,135.71, 92,155,679.83 and 47,291,305.61

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Solution

The fourth proportional to 66,904,135.71, 92,155,679.83 and 47,291,305.61 is: 65,140,403.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,904,135.71 : 92,155,679.83 = 47,291,305.61 : x
  2. Step 2: Convert to fraction form
    66,904,135.71/92,155,679.83 = 47,291,305.61/x
  3. Step 3: Cross multiply
    66,904,135.71x = 92,155,679.83 × 47,291,305.61
  4. Step 4: Simplify right side
    66,904,135.71x = 4,358,162,417,840,608
  5. Step 5: Solve for x
    x = 4,358,162,417,840,608/66,904,135.71
  6. Step 6: Final answer
    x = 65,140,403.83

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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.