Home / 77,915,418.35-107,526,442.34-43,107,541.88

Finding the Fourth Proportional to 77,915,418.35, 107,526,442.34 and 43,107,541.88

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Solution

The fourth proportional to 77,915,418.35, 107,526,442.34 and 43,107,541.88 is: 59,490,158.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,915,418.35 : 107,526,442.34 = 43,107,541.88 : x
  2. Step 2: Convert to fraction form
    77,915,418.35/107,526,442.34 = 43,107,541.88/x
  3. Step 3: Cross multiply
    77,915,418.35x = 107,526,442.34 × 43,107,541.88
  4. Step 4: Simplify right side
    77,915,418.35x = 4,635,200,615,949,092
  5. Step 5: Solve for x
    x = 4,635,200,615,949,092/77,915,418.35
  6. Step 6: Final answer
    x = 59,490,158.87

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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.