Home / 42,725,319.60-64,087,979.40-28,367,713.20

Finding the Fourth Proportional to 42,725,319.60, 64,087,979.40 and 28,367,713.20

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Solution

The fourth proportional to 42,725,319.60, 64,087,979.40 and 28,367,713.20 is: 42,551,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,725,319.60 : 64,087,979.40 = 28,367,713.20 : x
  2. Step 2: Convert to fraction form
    42,725,319.60/64,087,979.40 = 28,367,713.20/x
  3. Step 3: Cross multiply
    42,725,319.60x = 64,087,979.40 × 28,367,713.20
  4. Step 4: Simplify right side
    42,725,319.60x = 1,818,029,419,186,708
  5. Step 5: Solve for x
    x = 1,818,029,419,186,708/42,725,319.60
  6. Step 6: Final answer
    x = 42,551,569.80

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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.