Home / 78,035,243.56-107,687,226.90-43,227,826.36

Finding the Fourth Proportional to 78,035,243.56, 107,687,226.90 and 43,227,826.36

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Solution

The fourth proportional to 78,035,243.56, 107,687,226.90 and 43,227,826.36 is: 59,653,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,035,243.56 : 107,687,226.90 = 43,227,826.36 : x
  2. Step 2: Convert to fraction form
    78,035,243.56/107,687,226.90 = 43,227,826.36/x
  3. Step 3: Cross multiply
    78,035,243.56x = 107,687,226.90 × 43,227,826.36
  4. Step 4: Simplify right side
    78,035,243.56x = 4,655,084,745,623,121
  5. Step 5: Solve for x
    x = 4,655,084,745,623,121/78,035,243.56
  6. Step 6: Final answer
    x = 59,653,619.74

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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.