Home / 219,884,174.20-329,826,261.30-155,386,919.80

Finding the Fourth Proportional to 219,884,174.20, 329,826,261.30 and 155,386,919.80

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Solution

The fourth proportional to 219,884,174.20, 329,826,261.30 and 155,386,919.80 is: 233,080,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,884,174.20 : 329,826,261.30 = 155,386,919.80 : x
  2. Step 2: Convert to fraction form
    219,884,174.20/329,826,261.30 = 155,386,919.80/x
  3. Step 3: Cross multiply
    219,884,174.20x = 329,826,261.30 × 155,386,919.80
  4. Step 4: Simplify right side
    219,884,174.20x = 51,250,686,812,556,952
  5. Step 5: Solve for x
    x = 51,250,686,812,556,952/219,884,174.20
  6. Step 6: Final answer
    x = 233,080,379.70

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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.