Home / 56,979,702.13-78,632,262.68-30,874,213.04

Finding the Fourth Proportional to 56,979,702.13, 78,632,262.68 and 30,874,213.04

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Solution

The fourth proportional to 56,979,702.13, 78,632,262.68 and 30,874,213.04 is: 42,606,562.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,979,702.13 : 78,632,262.68 = 30,874,213.04 : x
  2. Step 2: Convert to fraction form
    56,979,702.13/78,632,262.68 = 30,874,213.04/x
  3. Step 3: Cross multiply
    56,979,702.13x = 78,632,262.68 × 30,874,213.04
  4. Step 4: Simplify right side
    56,979,702.13x = 2,427,709,229,841,771
  5. Step 5: Solve for x
    x = 2,427,709,229,841,771/56,979,702.13
  6. Step 6: Final answer
    x = 42,606,562.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.