Home / 91,397,652.57-126,128,760.55-52,240,270.08

Finding the Fourth Proportional to 91,397,652.57, 126,128,760.55 and 52,240,270.08

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Solution

The fourth proportional to 91,397,652.57, 126,128,760.55 and 52,240,270.08 is: 72,091,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,397,652.57 : 126,128,760.55 = 52,240,270.08 : x
  2. Step 2: Convert to fraction form
    91,397,652.57/126,128,760.55 = 52,240,270.08/x
  3. Step 3: Cross multiply
    91,397,652.57x = 126,128,760.55 × 52,240,270.08
  4. Step 4: Simplify right side
    91,397,652.57x = 6,589,000,515,987,649
  5. Step 5: Solve for x
    x = 6,589,000,515,987,649/91,397,652.57
  6. Step 6: Final answer
    x = 72,091,572.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.