Home / 115,334,811.90-173,002,217.85-47,154,843.90

Finding the Fourth Proportional to 115,334,811.90, 173,002,217.85 and 47,154,843.90

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Solution

The fourth proportional to 115,334,811.90, 173,002,217.85 and 47,154,843.90 is: 70,732,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,334,811.90 : 173,002,217.85 = 47,154,843.90 : x
  2. Step 2: Convert to fraction form
    115,334,811.90/173,002,217.85 = 47,154,843.90/x
  3. Step 3: Cross multiply
    115,334,811.90x = 173,002,217.85 × 47,154,843.90
  4. Step 4: Simplify right side
    115,334,811.90x = 8,157,892,577,070,543
  5. Step 5: Solve for x
    x = 8,157,892,577,070,543/115,334,811.90
  6. Step 6: Final answer
    x = 70,732,265.85

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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.