Home / 166,655,487.47-249,982,517.21-42,159,294.57

Finding the Fourth Proportional to 166,655,487.47, 249,982,517.21 and 42,159,294.57

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Solution

The fourth proportional to 166,655,487.47, 249,982,517.21 and 42,159,294.57 is: 63,238,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,655,487.47 : 249,982,517.21 = 42,159,294.57 : x
  2. Step 2: Convert to fraction form
    166,655,487.47/249,982,517.21 = 42,159,294.57/x
  3. Step 3: Cross multiply
    166,655,487.47x = 249,982,517.21 × 42,159,294.57
  4. Step 4: Simplify right side
    166,655,487.47x = 10,539,086,580,195,688
  5. Step 5: Solve for x
    x = 10,539,086,580,195,688/166,655,487.47
  6. Step 6: Final answer
    x = 63,238,761.23

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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.