Home / 161,684,328.30-242,561,921.85-79,842,414.30

Finding the Fourth Proportional to 161,684,328.30, 242,561,921.85 and 79,842,414.30

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Solution

The fourth proportional to 161,684,328.30, 242,561,921.85 and 79,842,414.30 is: 119,781,117.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,684,328.30 : 242,561,921.85 = 79,842,414.30 : x
  2. Step 2: Convert to fraction form
    161,684,328.30/242,561,921.85 = 79,842,414.30/x
  3. Step 3: Cross multiply
    161,684,328.30x = 242,561,921.85 × 79,842,414.30
  4. Step 4: Simplify right side
    161,684,328.30x = 19,366,729,457,751,920
  5. Step 5: Solve for x
    x = 19,366,729,457,751,920/161,684,328.30
  6. Step 6: Final answer
    x = 119,781,117.08

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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.