Home / 215,784,613.40-323,304,911.40-100,532,775.20

Finding the Fourth Proportional to 215,784,613.40, 323,304,911.40 and 100,532,775.20

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Solution

The fourth proportional to 215,784,613.40, 323,304,911.40 and 100,532,775.20 is: 150,625,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,784,613.40 : 323,304,911.40 = 100,532,775.20 : x
  2. Step 2: Convert to fraction form
    215,784,613.40/323,304,911.40 = 100,532,775.20/x
  3. Step 3: Cross multiply
    215,784,613.40x = 323,304,911.40 × 100,532,775.20
  4. Step 4: Simplify right side
    215,784,613.40x = 32,502,739,978,832,116
  5. Step 5: Solve for x
    x = 32,502,739,978,832,116/215,784,613.40
  6. Step 6: Final answer
    x = 150,625,846.15

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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.