Home / 104,976,138.10-157,464,207.15-66,234,089.20

Finding the Fourth Proportional to 104,976,138.10, 157,464,207.15 and 66,234,089.20

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Solution

The fourth proportional to 104,976,138.10, 157,464,207.15 and 66,234,089.20 is: 99,351,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,138.10 : 157,464,207.15 = 66,234,089.20 : x
  2. Step 2: Convert to fraction form
    104,976,138.10/157,464,207.15 = 66,234,089.20/x
  3. Step 3: Cross multiply
    104,976,138.10x = 157,464,207.15 × 66,234,089.20
  4. Step 4: Simplify right side
    104,976,138.10x = 10,429,498,342,180,378
  5. Step 5: Solve for x
    x = 10,429,498,342,180,378/104,976,138.10
  6. Step 6: Final answer
    x = 99,351,133.80

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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.