Home / 82,152,654.32-123,051,817.56-77,323,382.48

Finding the Fourth Proportional to 82,152,654.32, 123,051,817.56 and 77,323,382.48

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Solution

The fourth proportional to 82,152,654.32, 123,051,817.56 and 77,323,382.48 is: 115,818,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,152,654.32 : 123,051,817.56 = 77,323,382.48 : x
  2. Step 2: Convert to fraction form
    82,152,654.32/123,051,817.56 = 77,323,382.48/x
  3. Step 3: Cross multiply
    82,152,654.32x = 123,051,817.56 × 77,323,382.48
  4. Step 4: Simplify right side
    82,152,654.32x = 9,514,782,754,051,062
  5. Step 5: Solve for x
    x = 9,514,782,754,051,062/82,152,654.32
  6. Step 6: Final answer
    x = 115,818,324.23

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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.