Home / 104,976,100.10-157,464,150.15-90,363,440.90

Finding the Fourth Proportional to 104,976,100.10, 157,464,150.15 and 90,363,440.90

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Solution

The fourth proportional to 104,976,100.10, 157,464,150.15 and 90,363,440.90 is: 135,545,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,100.10 : 157,464,150.15 = 90,363,440.90 : x
  2. Step 2: Convert to fraction form
    104,976,100.10/157,464,150.15 = 90,363,440.90/x
  3. Step 3: Cross multiply
    104,976,100.10x = 157,464,150.15 × 90,363,440.90
  4. Step 4: Simplify right side
    104,976,100.10x = 14,229,002,425,948,252
  5. Step 5: Solve for x
    x = 14,229,002,425,948,252/104,976,100.10
  6. Step 6: Final answer
    x = 135,545,161.35

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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.