Home / 173,859,317.40-260,820,468.90-87,380,088.60

Finding the Fourth Proportional to 173,859,317.40, 260,820,468.90 and 87,380,088.60

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Solution

The fourth proportional to 173,859,317.40, 260,820,468.90 and 87,380,088.60 is: 131,085,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,859,317.40 : 260,820,468.90 = 87,380,088.60 : x
  2. Step 2: Convert to fraction form
    173,859,317.40/260,820,468.90 = 87,380,088.60/x
  3. Step 3: Cross multiply
    173,859,317.40x = 260,820,468.90 × 87,380,088.60
  4. Step 4: Simplify right side
    173,859,317.40x = 22,790,515,681,175,544
  5. Step 5: Solve for x
    x = 22,790,515,681,175,544/173,859,317.40
  6. Step 6: Final answer
    x = 131,085,960.89

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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.