Home / 99,794,217.60-149,691,326.40-85,181,558.40

Finding the Fourth Proportional to 99,794,217.60, 149,691,326.40 and 85,181,558.40

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Solution

The fourth proportional to 99,794,217.60, 149,691,326.40 and 85,181,558.40 is: 127,772,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794,217.60 : 149,691,326.40 = 85,181,558.40 : x
  2. Step 2: Convert to fraction form
    99,794,217.60/149,691,326.40 = 85,181,558.40/x
  3. Step 3: Cross multiply
    99,794,217.60x = 149,691,326.40 × 85,181,558.40
  4. Step 4: Simplify right side
    99,794,217.60x = 12,750,940,461,715,064
  5. Step 5: Solve for x
    x = 12,750,940,461,715,064/99,794,217.60
  6. Step 6: Final answer
    x = 127,772,337.60

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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.