Home / 42,399,200.70-63,598,801.05-27,870,932.40

Finding the Fourth Proportional to 42,399,200.70, 63,598,801.05 and 27,870,932.40

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Solution

The fourth proportional to 42,399,200.70, 63,598,801.05 and 27,870,932.40 is: 41,806,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,399,200.70 : 63,598,801.05 = 27,870,932.40 : x
  2. Step 2: Convert to fraction form
    42,399,200.70/63,598,801.05 = 27,870,932.40/x
  3. Step 3: Cross multiply
    42,399,200.70x = 63,598,801.05 × 27,870,932.40
  4. Step 4: Simplify right side
    42,399,200.70x = 1,772,557,884,785,598.75
  5. Step 5: Solve for x
    x = 1,772,557,884,785,598.75/42,399,200.70
  6. Step 6: Final answer
    x = 41,806,398.60

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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.