Home / 188,074,545.26-282,145,711.02-77,390,663.89

Finding the Fourth Proportional to 188,074,545.26, 282,145,711.02 and 77,390,663.89

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Solution

The fourth proportional to 188,074,545.26, 282,145,711.02 and 77,390,663.89 is: 116,099,942.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,074,545.26 : 282,145,711.02 = 77,390,663.89 : x
  2. Step 2: Convert to fraction form
    188,074,545.26/282,145,711.02 = 77,390,663.89/x
  3. Step 3: Cross multiply
    188,074,545.26x = 282,145,711.02 × 77,390,663.89
  4. Step 4: Simplify right side
    188,074,545.26x = 21,835,443,887,756,208
  5. Step 5: Solve for x
    x = 21,835,443,887,756,208/188,074,545.26
  6. Step 6: Final answer
    x = 116,099,942.49

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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.