Home / 66,904,135.52-92,155,679.57-47,291,305.42

Finding the Fourth Proportional to 66,904,135.52, 92,155,679.57 and 47,291,305.42

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Solution

The fourth proportional to 66,904,135.52, 92,155,679.57 and 47,291,305.42 is: 65,140,403.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,904,135.52 : 92,155,679.57 = 47,291,305.42 : x
  2. Step 2: Convert to fraction form
    66,904,135.52/92,155,679.57 = 47,291,305.42/x
  3. Step 3: Cross multiply
    66,904,135.52x = 92,155,679.57 × 47,291,305.42
  4. Step 4: Simplify right side
    66,904,135.52x = 4,358,162,388,443,020.50
  5. Step 5: Solve for x
    x = 4,358,162,388,443,020.50/66,904,135.52
  6. Step 6: Final answer
    x = 65,140,403.57

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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.