Home / 123,237,454.40-170,073,000.48-68,233,309.76

Finding the Fourth Proportional to 123,237,454.40, 170,073,000.48 and 68,233,309.76

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Solution

The fourth proportional to 123,237,454.40, 170,073,000.48 and 68,233,309.76 is: 94,164,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,237,454.40 : 170,073,000.48 = 68,233,309.76 : x
  2. Step 2: Convert to fraction form
    123,237,454.40/170,073,000.48 = 68,233,309.76/x
  3. Step 3: Cross multiply
    123,237,454.40x = 170,073,000.48 × 68,233,309.76
  4. Step 4: Simplify right side
    123,237,454.40x = 11,604,643,723,564,468
  5. Step 5: Solve for x
    x = 11,604,643,723,564,468/123,237,454.40
  6. Step 6: Final answer
    x = 94,164,909.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.