Home / 121,993,695.20-182,989,376.40-29,877,838.40

Finding the Fourth Proportional to 121,993,695.20, 182,989,376.40 and 29,877,838.40

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Solution

The fourth proportional to 121,993,695.20, 182,989,376.40 and 29,877,838.40 is: 44,816,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,993,695.20 : 182,989,376.40 = 29,877,838.40 : x
  2. Step 2: Convert to fraction form
    121,993,695.20/182,989,376.40 = 29,877,838.40/x
  3. Step 3: Cross multiply
    121,993,695.20x = 182,989,376.40 × 29,877,838.40
  4. Step 4: Simplify right side
    121,993,695.20x = 5,467,327,016,995,974
  5. Step 5: Solve for x
    x = 5,467,327,016,995,974/121,993,695.20
  6. Step 6: Final answer
    x = 44,816,471.93

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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.