Home / 74,818,531.20-112,227,796.80-72,579,043.20

Finding the Fourth Proportional to 74,818,531.20, 112,227,796.80 and 72,579,043.20

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Solution

The fourth proportional to 74,818,531.20, 112,227,796.80 and 72,579,043.20 is: 108,868,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,818,531.20 : 112,227,796.80 = 72,579,043.20 : x
  2. Step 2: Convert to fraction form
    74,818,531.20/112,227,796.80 = 72,579,043.20/x
  3. Step 3: Cross multiply
    74,818,531.20x = 112,227,796.80 × 72,579,043.20
  4. Step 4: Simplify right side
    74,818,531.20x = 8,145,386,112,188,022
  5. Step 5: Solve for x
    x = 8,145,386,112,188,022/74,818,531.20
  6. Step 6: Final answer
    x = 108,868,564.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.