Home / 77,995,159.38-107,632,001.43-43,187,100.66

Finding the Fourth Proportional to 77,995,159.38, 107,632,001.43 and 43,187,100.66

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Solution

The fourth proportional to 77,995,159.38, 107,632,001.43 and 43,187,100.66 is: 59,597,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,995,159.38 : 107,632,001.43 = 43,187,100.66 : x
  2. Step 2: Convert to fraction form
    77,995,159.38/107,632,001.43 = 43,187,100.66/x
  3. Step 3: Cross multiply
    77,995,159.38x = 107,632,001.43 × 43,187,100.66
  4. Step 4: Simplify right side
    77,995,159.38x = 4,648,314,079,994,674
  5. Step 5: Solve for x
    x = 4,648,314,079,994,674/77,995,159.38
  6. Step 6: Final answer
    x = 59,597,468.83

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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.