Home / 66,433,545.60-99,650,318.40-61,172,279.70

Finding the Fourth Proportional to 66,433,545.60, 99,650,318.40 and 61,172,279.70

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Solution

The fourth proportional to 66,433,545.60, 99,650,318.40 and 61,172,279.70 is: 91,758,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,545.60 : 99,650,318.40 = 61,172,279.70 : x
  2. Step 2: Convert to fraction form
    66,433,545.60/99,650,318.40 = 61,172,279.70/x
  3. Step 3: Cross multiply
    66,433,545.60x = 99,650,318.40 × 61,172,279.70
  4. Step 4: Simplify right side
    66,433,545.60x = 6,095,837,149,358,857
  5. Step 5: Solve for x
    x = 6,095,837,149,358,857/66,433,545.60
  6. Step 6: Final answer
    x = 91,758,419.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.