Home / 77,703,536.32-107,229,518.40-42,895,331.44

Finding the Fourth Proportional to 77,703,536.32, 107,229,518.40 and 42,895,331.44

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Solution

The fourth proportional to 77,703,536.32, 107,229,518.40 and 42,895,331.44 is: 59,194,805.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,703,536.32 : 107,229,518.40 = 42,895,331.44 : x
  2. Step 2: Convert to fraction form
    77,703,536.32/107,229,518.40 = 42,895,331.44/x
  3. Step 3: Cross multiply
    77,703,536.32x = 107,229,518.40 × 42,895,331.44
  4. Step 4: Simplify right side
    77,703,536.32x = 4,599,645,731,919,578
  5. Step 5: Solve for x
    x = 4,599,645,731,919,578/77,703,536.32
  6. Step 6: Final answer
    x = 59,194,805.66

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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.