Home / 82,261,726.23-123,406,461.85-27,661,332.57

Finding the Fourth Proportional to 82,261,726.23, 123,406,461.85 and 27,661,332.57

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Solution

The fourth proportional to 82,261,726.23, 123,406,461.85 and 27,661,332.57 is: 41,496,663.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,261,726.23 : 123,406,461.85 = 27,661,332.57 : x
  2. Step 2: Convert to fraction form
    82,261,726.23/123,406,461.85 = 27,661,332.57/x
  3. Step 3: Cross multiply
    82,261,726.23x = 123,406,461.85 × 27,661,332.57
  4. Step 4: Simplify right side
    82,261,726.23x = 3,413,587,182,039,666.50
  5. Step 5: Solve for x
    x = 3,413,587,182,039,666.50/82,261,726.23
  6. Step 6: Final answer
    x = 41,496,663.62

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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.