Home / 77,969,112.47-107,598,225.51-43,162,384.17

Finding the Fourth Proportional to 77,969,112.47, 107,598,225.51 and 43,162,384.17

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Solution

The fourth proportional to 77,969,112.47, 107,598,225.51 and 43,162,384.17 is: 59,564,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,969,112.47 : 107,598,225.51 = 43,162,384.17 : x
  2. Step 2: Convert to fraction form
    77,969,112.47/107,598,225.51 = 43,162,384.17/x
  3. Step 3: Cross multiply
    77,969,112.47x = 107,598,225.51 × 43,162,384.17
  4. Step 4: Simplify right side
    77,969,112.47x = 4,644,195,945,573,842
  5. Step 5: Solve for x
    x = 4,644,195,945,573,842/77,969,112.47
  6. Step 6: Final answer
    x = 59,564,560.87

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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.