Home / 125,821,440.50-173,544,144.78-83,984,411.96

Finding the Fourth Proportional to 125,821,440.50, 173,544,144.78 and 83,984,411.96

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Solution

The fourth proportional to 125,821,440.50, 173,544,144.78 and 83,984,411.96 is: 115,838,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,821,440.50 : 173,544,144.78 = 83,984,411.96 : x
  2. Step 2: Convert to fraction form
    125,821,440.50/173,544,144.78 = 83,984,411.96/x
  3. Step 3: Cross multiply
    125,821,440.50x = 173,544,144.78 × 83,984,411.96
  4. Step 4: Simplify right side
    125,821,440.50x = 14,575,002,948,449,402
  5. Step 5: Solve for x
    x = 14,575,002,948,449,402/125,821,440.50
  6. Step 6: Final answer
    x = 115,838,786.22

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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.