Home / 121,134,250.40-181,701,375.60-40,355,218.40

Finding the Fourth Proportional to 121,134,250.40, 181,701,375.60 and 40,355,218.40

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Solution

The fourth proportional to 121,134,250.40, 181,701,375.60 and 40,355,218.40 is: 60,532,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,134,250.40 : 181,701,375.60 = 40,355,218.40 : x
  2. Step 2: Convert to fraction form
    121,134,250.40/181,701,375.60 = 40,355,218.40/x
  3. Step 3: Cross multiply
    121,134,250.40x = 181,701,375.60 × 40,355,218.40
  4. Step 4: Simplify right side
    121,134,250.40x = 7,332,598,695,918,431
  5. Step 5: Solve for x
    x = 7,332,598,695,918,431/121,134,250.40
  6. Step 6: Final answer
    x = 60,532,827.60

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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.