Home / 121,177,601.20-181,710,414.60-52,985,191.60

Finding the Fourth Proportional to 121,177,601.20, 181,710,414.60 and 52,985,191.60

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Solution

The fourth proportional to 121,177,601.20, 181,710,414.60 and 52,985,191.60 is: 79,453,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,177,601.20 : 181,710,414.60 = 52,985,191.60 : x
  2. Step 2: Convert to fraction form
    121,177,601.20/181,710,414.60 = 52,985,191.60/x
  3. Step 3: Cross multiply
    121,177,601.20x = 181,710,414.60 × 52,985,191.60
  4. Step 4: Simplify right side
    121,177,601.20x = 9,627,961,133,296,438
  5. Step 5: Solve for x
    x = 9,627,961,133,296,438/121,177,601.20
  6. Step 6: Final answer
    x = 79,453,306.86

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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.