Home / 129,276,601.20-193,914,901.80-118,695,020.40

Finding the Fourth Proportional to 129,276,601.20, 193,914,901.80 and 118,695,020.40

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Solution

The fourth proportional to 129,276,601.20, 193,914,901.80 and 118,695,020.40 is: 178,042,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,276,601.20 : 193,914,901.80 = 118,695,020.40 : x
  2. Step 2: Convert to fraction form
    129,276,601.20/193,914,901.80 = 118,695,020.40/x
  3. Step 3: Cross multiply
    129,276,601.20x = 193,914,901.80 × 118,695,020.40
  4. Step 4: Simplify right side
    129,276,601.20x = 23,016,733,225,015,000
  5. Step 5: Solve for x
    x = 23,016,733,225,015,000/129,276,601.20
  6. Step 6: Final answer
    x = 178,042,530.60

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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.