Home / 137,932,869.60-206,882,715.60-57,145,413.60

Finding the Fourth Proportional to 137,932,869.60, 206,882,715.60 and 57,145,413.60

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Solution

The fourth proportional to 137,932,869.60, 206,882,715.60 and 57,145,413.60 is: 85,711,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,932,869.60 : 206,882,715.60 = 57,145,413.60 : x
  2. Step 2: Convert to fraction form
    137,932,869.60/206,882,715.60 = 57,145,413.60/x
  3. Step 3: Cross multiply
    137,932,869.60x = 206,882,715.60 × 57,145,413.60
  4. Step 4: Simplify right side
    137,932,869.60x = 11,822,398,349,653,172
  5. Step 5: Solve for x
    x = 11,822,398,349,653,172/137,932,869.60
  6. Step 6: Final answer
    x = 85,711,247.68

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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.