Home / 120,889,016.92-181,315,809.33-59,461,687.18

Finding the Fourth Proportional to 120,889,016.92, 181,315,809.33 and 59,461,687.18

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Solution

The fourth proportional to 120,889,016.92, 181,315,809.33 and 59,461,687.18 is: 89,183,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,889,016.92 : 181,315,809.33 = 59,461,687.18 : x
  2. Step 2: Convert to fraction form
    120,889,016.92/181,315,809.33 = 59,461,687.18/x
  3. Step 3: Cross multiply
    120,889,016.92x = 181,315,809.33 × 59,461,687.18
  4. Step 4: Simplify right side
    120,889,016.92x = 10,781,343,935,168,986
  5. Step 5: Solve for x
    x = 10,781,343,935,168,986/120,889,016.92
  6. Step 6: Final answer
    x = 89,183,816.78

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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.