Home / 120,852,163.60-181,278,245.40-101,720,287.60

Finding the Fourth Proportional to 120,852,163.60, 181,278,245.40 and 101,720,287.60

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Solution

The fourth proportional to 120,852,163.60, 181,278,245.40 and 101,720,287.60 is: 152,580,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,852,163.60 : 181,278,245.40 = 101,720,287.60 : x
  2. Step 2: Convert to fraction form
    120,852,163.60/181,278,245.40 = 101,720,287.60/x
  3. Step 3: Cross multiply
    120,852,163.60x = 181,278,245.40 × 101,720,287.60
  4. Step 4: Simplify right side
    120,852,163.60x = 18,439,675,257,711,376
  5. Step 5: Solve for x
    x = 18,439,675,257,711,376/120,852,163.60
  6. Step 6: Final answer
    x = 152,580,431.40

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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.