Home / 130,734,145.10-196,101,217.65-79,715,809.10

Finding the Fourth Proportional to 130,734,145.10, 196,101,217.65 and 79,715,809.10

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Solution

The fourth proportional to 130,734,145.10, 196,101,217.65 and 79,715,809.10 is: 119,573,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,734,145.10 : 196,101,217.65 = 79,715,809.10 : x
  2. Step 2: Convert to fraction form
    130,734,145.10/196,101,217.65 = 79,715,809.10/x
  3. Step 3: Cross multiply
    130,734,145.10x = 196,101,217.65 × 79,715,809.10
  4. Step 4: Simplify right side
    130,734,145.10x = 15,632,367,230,464,950
  5. Step 5: Solve for x
    x = 15,632,367,230,464,950/130,734,145.10
  6. Step 6: Final answer
    x = 119,573,713.65

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Double scale
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Similar ratio
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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.