Home / 61,721,228.60-85,092,898.11-49,033,037.83

Finding the Fourth Proportional to 61,721,228.60, 85,092,898.11 and 49,033,037.83

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Solution

The fourth proportional to 61,721,228.60, 85,092,898.11 and 49,033,037.83 is: 67,600,133.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,721,228.60 : 85,092,898.11 = 49,033,037.83 : x
  2. Step 2: Convert to fraction form
    61,721,228.60/85,092,898.11 = 49,033,037.83/x
  3. Step 3: Cross multiply
    61,721,228.60x = 85,092,898.11 × 49,033,037.83
  4. Step 4: Simplify right side
    61,721,228.60x = 4,172,363,292,268,649
  5. Step 5: Solve for x
    x = 4,172,363,292,268,649/61,721,228.60
  6. Step 6: Final answer
    x = 67,600,133.48

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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.