Home / 140,918,882.30-211,378,323.45-80,452,706.30

Finding the Fourth Proportional to 140,918,882.30, 211,378,323.45 and 80,452,706.30

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Solution

The fourth proportional to 140,918,882.30, 211,378,323.45 and 80,452,706.30 is: 120,679,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,918,882.30 : 211,378,323.45 = 80,452,706.30 : x
  2. Step 2: Convert to fraction form
    140,918,882.30/211,378,323.45 = 80,452,706.30/x
  3. Step 3: Cross multiply
    140,918,882.30x = 211,378,323.45 × 80,452,706.30
  4. Step 4: Simplify right side
    140,918,882.30x = 17,005,958,174,709,252
  5. Step 5: Solve for x
    x = 17,005,958,174,709,252/140,918,882.30
  6. Step 6: Final answer
    x = 120,679,059.45

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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.