Home / 161,758,974.30-242,638,461.45-71,059,710.30

Finding the Fourth Proportional to 161,758,974.30, 242,638,461.45 and 71,059,710.30

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Solution

The fourth proportional to 161,758,974.30, 242,638,461.45 and 71,059,710.30 is: 106,589,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,758,974.30 : 242,638,461.45 = 71,059,710.30 : x
  2. Step 2: Convert to fraction form
    161,758,974.30/242,638,461.45 = 71,059,710.30/x
  3. Step 3: Cross multiply
    161,758,974.30x = 242,638,461.45 × 71,059,710.30
  4. Step 4: Simplify right side
    161,758,974.30x = 17,241,818,778,274,716
  5. Step 5: Solve for x
    x = 17,241,818,778,274,716/161,758,974.30
  6. Step 6: Final answer
    x = 106,589,565.45

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1.5x scale

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.