Home / 77,691,048.62-107,213,657.76-42,883,746.44

Finding the Fourth Proportional to 77,691,048.62, 107,213,657.76 and 42,883,746.44

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Solution

The fourth proportional to 77,691,048.62, 107,213,657.76 and 42,883,746.44 is: 59,179,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,691,048.62 : 107,213,657.76 = 42,883,746.44 : x
  2. Step 2: Convert to fraction form
    77,691,048.62/107,213,657.76 = 42,883,746.44/x
  3. Step 3: Cross multiply
    77,691,048.62x = 107,213,657.76 × 42,883,746.44
  4. Step 4: Simplify right side
    77,691,048.62x = 4,597,723,313,748,711
  5. Step 5: Solve for x
    x = 4,597,723,313,748,711/77,691,048.62
  6. Step 6: Final answer
    x = 59,179,575.97

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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.