Home / 165,890,275.20-248,835,412.80-146,182,780.80

Finding the Fourth Proportional to 165,890,275.20, 248,835,412.80 and 146,182,780.80

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Solution

The fourth proportional to 165,890,275.20, 248,835,412.80 and 146,182,780.80 is: 219,274,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,890,275.20 : 248,835,412.80 = 146,182,780.80 : x
  2. Step 2: Convert to fraction form
    165,890,275.20/248,835,412.80 = 146,182,780.80/x
  3. Step 3: Cross multiply
    165,890,275.20x = 248,835,412.80 × 146,182,780.80
  4. Step 4: Simplify right side
    165,890,275.20x = 36,375,452,604,619,920
  5. Step 5: Solve for x
    x = 36,375,452,604,619,920/165,890,275.20
  6. Step 6: Final answer
    x = 219,274,171.20

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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.