Home / 42,241,772.31-63,389,312.97-17,980,660.47

Finding the Fourth Proportional to 42,241,772.31, 63,389,312.97 and 17,980,660.47

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Solution

The fourth proportional to 42,241,772.31, 63,389,312.97 and 17,980,660.47 is: 26,982,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,241,772.31 : 63,389,312.97 = 17,980,660.47 : x
  2. Step 2: Convert to fraction form
    42,241,772.31/63,389,312.97 = 17,980,660.47/x
  3. Step 3: Cross multiply
    42,241,772.31x = 63,389,312.97 × 17,980,660.47
  4. Step 4: Simplify right side
    42,241,772.31x = 1,139,781,713,940,137.25
  5. Step 5: Solve for x
    x = 1,139,781,713,940,137.25/42,241,772.31
  6. Step 6: Final answer
    x = 26,982,336.48

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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.