Home / 42,748,060.80-64,027,612.80-17,175,907.20

Finding the Fourth Proportional to 42,748,060.80, 64,027,612.80 and 17,175,907.20

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Solution

The fourth proportional to 42,748,060.80, 64,027,612.80 and 17,175,907.20 is: 25,725,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,748,060.80 : 64,027,612.80 = 17,175,907.20 : x
  2. Step 2: Convert to fraction form
    42,748,060.80/64,027,612.80 = 17,175,907.20/x
  3. Step 3: Cross multiply
    42,748,060.80x = 64,027,612.80 × 17,175,907.20
  4. Step 4: Simplify right side
    42,748,060.80x = 1,099,732,335,690,332
  5. Step 5: Solve for x
    x = 1,099,732,335,690,332/42,748,060.80
  6. Step 6: Final answer
    x = 25,725,899.96

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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.