Home / 450,455,896.20-675,683,844.30-143,779,009.80

Finding the Fourth Proportional to 450,455,896.20, 675,683,844.30 and 143,779,009.80

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Solution

The fourth proportional to 450,455,896.20, 675,683,844.30 and 143,779,009.80 is: 215,668,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,455,896.20 : 675,683,844.30 = 143,779,009.80 : x
  2. Step 2: Convert to fraction form
    450,455,896.20/675,683,844.30 = 143,779,009.80/x
  3. Step 3: Cross multiply
    450,455,896.20x = 675,683,844.30 × 143,779,009.80
  4. Step 4: Simplify right side
    450,455,896.20x = 97,149,154,071,311,376
  5. Step 5: Solve for x
    x = 97,149,154,071,311,376/450,455,896.20
  6. Step 6: Final answer
    x = 215,668,514.70

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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.