Home / 109,971,262.80-165,063,182.40-55,445,416.20

Finding the Fourth Proportional to 109,971,262.80, 165,063,182.40 and 55,445,416.20

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Solution

The fourth proportional to 109,971,262.80, 165,063,182.40 and 55,445,416.20 is: 83,221,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,971,262.80 : 165,063,182.40 = 55,445,416.20 : x
  2. Step 2: Convert to fraction form
    109,971,262.80/165,063,182.40 = 55,445,416.20/x
  3. Step 3: Cross multiply
    109,971,262.80x = 165,063,182.40 × 55,445,416.20
  4. Step 4: Simplify right side
    109,971,262.80x = 9,151,996,847,464,516
  5. Step 5: Solve for x
    x = 9,151,996,847,464,516/109,971,262.80
  6. Step 6: Final answer
    x = 83,221,712.79

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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.