Home / 99,815,546.40-149,723,319.60-56,668,077.60

Finding the Fourth Proportional to 99,815,546.40, 149,723,319.60 and 56,668,077.60

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Solution

The fourth proportional to 99,815,546.40, 149,723,319.60 and 56,668,077.60 is: 85,002,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,815,546.40 : 149,723,319.60 = 56,668,077.60 : x
  2. Step 2: Convert to fraction form
    99,815,546.40/149,723,319.60 = 56,668,077.60/x
  3. Step 3: Cross multiply
    99,815,546.40x = 149,723,319.60 × 56,668,077.60
  4. Step 4: Simplify right side
    99,815,546.40x = 8,484,532,693,622,401
  5. Step 5: Solve for x
    x = 8,484,532,693,622,401/99,815,546.40
  6. Step 6: Final answer
    x = 85,002,116.40

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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.