Home / 159,966,347.82-220,691,060.97-92,974,174.76

Finding the Fourth Proportional to 159,966,347.82, 220,691,060.97 and 92,974,174.76

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Solution

The fourth proportional to 159,966,347.82, 220,691,060.97 and 92,974,174.76 is: 128,268,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,966,347.82 : 220,691,060.97 = 92,974,174.76 : x
  2. Step 2: Convert to fraction form
    159,966,347.82/220,691,060.97 = 92,974,174.76/x
  3. Step 3: Cross multiply
    159,966,347.82x = 220,691,060.97 × 92,974,174.76
  4. Step 4: Simplify right side
    159,966,347.82x = 20,518,569,269,491,140
  5. Step 5: Solve for x
    x = 20,518,569,269,491,140/159,966,347.82
  6. Step 6: Final answer
    x = 128,268,036.05

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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.