Home / 299,221,320.20-448,454,066.70-145,536,456.20

Finding the Fourth Proportional to 299,221,320.20, 448,454,066.70 and 145,536,456.20

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Solution

The fourth proportional to 299,221,320.20, 448,454,066.70 and 145,536,456.20 is: 218,120,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,221,320.20 : 448,454,066.70 = 145,536,456.20 : x
  2. Step 2: Convert to fraction form
    299,221,320.20/448,454,066.70 = 145,536,456.20/x
  3. Step 3: Cross multiply
    299,221,320.20x = 448,454,066.70 × 145,536,456.20
  4. Step 4: Simplify right side
    299,221,320.20x = 65,266,415,635,996,424
  5. Step 5: Solve for x
    x = 65,266,415,635,996,424/299,221,320.20
  6. Step 6: Final answer
    x = 218,120,873.18

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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.