Home / 77,704,573.50-107,229,494.91-42,896,514.78

Finding the Fourth Proportional to 77,704,573.50, 107,229,494.91 and 42,896,514.78

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Solution

The fourth proportional to 77,704,573.50, 107,229,494.91 and 42,896,514.78 is: 59,195,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,704,573.50 : 107,229,494.91 = 42,896,514.78 : x
  2. Step 2: Convert to fraction form
    77,704,573.50/107,229,494.91 = 42,896,514.78/x
  3. Step 3: Cross multiply
    77,704,573.50x = 107,229,494.91 × 42,896,514.78
  4. Step 4: Simplify right side
    77,704,573.50x = 4,599,771,613,258,750
  5. Step 5: Solve for x
    x = 4,599,771,613,258,750/77,704,573.50
  6. Step 6: Final answer
    x = 59,195,635.55

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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.