Home / 77,996,516.31-107,633,877.47-43,188,459.41

Finding the Fourth Proportional to 77,996,516.31, 107,633,877.47 and 43,188,459.41

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Solution

The fourth proportional to 77,996,516.31, 107,633,877.47 and 43,188,459.41 is: 59,599,345.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,996,516.31 : 107,633,877.47 = 43,188,459.41 : x
  2. Step 2: Convert to fraction form
    77,996,516.31/107,633,877.47 = 43,188,459.41/x
  3. Step 3: Cross multiply
    77,996,516.31x = 107,633,877.47 × 43,188,459.41
  4. Step 4: Simplify right side
    77,996,516.31x = 4,648,541,348,469,108
  5. Step 5: Solve for x
    x = 4,648,541,348,469,108/77,996,516.31
  6. Step 6: Final answer
    x = 59,599,345.82

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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.