Home / 91,539,164.83-126,203,842.39-66,057,200.72

Finding the Fourth Proportional to 91,539,164.83, 126,203,842.39 and 66,057,200.72

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Solution

The fourth proportional to 91,539,164.83, 126,203,842.39 and 66,057,200.72 is: 91,072,193.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,539,164.83 : 126,203,842.39 = 66,057,200.72 : x
  2. Step 2: Convert to fraction form
    91,539,164.83/126,203,842.39 = 66,057,200.72/x
  3. Step 3: Cross multiply
    91,539,164.83x = 126,203,842.39 × 66,057,200.72
  4. Step 4: Simplify right side
    91,539,164.83x = 8,336,672,548,391,474
  5. Step 5: Solve for x
    x = 8,336,672,548,391,474/91,539,164.83
  6. Step 6: Final answer
    x = 91,072,193.68

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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.