Home / 42,680,515.44-64,032,757.92-17,139,459.36

Finding the Fourth Proportional to 42,680,515.44, 64,032,757.92 and 17,139,459.36

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Solution

The fourth proportional to 42,680,515.44, 64,032,757.92 and 17,139,459.36 is: 25,714,001.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,680,515.44 : 64,032,757.92 = 17,139,459.36 : x
  2. Step 2: Convert to fraction form
    42,680,515.44/64,032,757.92 = 17,139,459.36/x
  3. Step 3: Cross multiply
    42,680,515.44x = 64,032,757.92 × 17,139,459.36
  4. Step 4: Simplify right side
    42,680,515.44x = 1,097,486,852,078,558.12
  5. Step 5: Solve for x
    x = 1,097,486,852,078,558.12/42,680,515.44
  6. Step 6: Final answer
    x = 25,714,001.83

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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.