Home / 70,932,138.30-106,398,207.45-27,787,002.30

Finding the Fourth Proportional to 70,932,138.30, 106,398,207.45 and 27,787,002.30

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Solution

The fourth proportional to 70,932,138.30, 106,398,207.45 and 27,787,002.30 is: 41,680,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,932,138.30 : 106,398,207.45 = 27,787,002.30 : x
  2. Step 2: Convert to fraction form
    70,932,138.30/106,398,207.45 = 27,787,002.30/x
  3. Step 3: Cross multiply
    70,932,138.30x = 106,398,207.45 × 27,787,002.30
  4. Step 4: Simplify right side
    70,932,138.30x = 2,956,487,235,129,027.50
  5. Step 5: Solve for x
    x = 2,956,487,235,129,027.50/70,932,138.30
  6. Step 6: Final answer
    x = 41,680,503.45

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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.