Home / 109,375,488,729.60-164,063,233,094.40-72,612,053,721.60

Finding the Fourth Proportional to 109,375,488,729.60, 164,063,233,094.40 and 72,612,053,721.60

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Solution

The fourth proportional to 109,375,488,729.60, 164,063,233,094.40 and 72,612,053,721.60 is: 108,918,080,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,375,488,729.60 : 164,063,233,094.40 = 72,612,053,721.60 : x
  2. Step 2: Convert to fraction form
    109,375,488,729.60/164,063,233,094.40 = 72,612,053,721.60/x
  3. Step 3: Cross multiply
    109,375,488,729.60x = 164,063,233,094.40 × 72,612,053,721.60
  4. Step 4: Simplify right side
    109,375,488,729.60x = 11,912,968,295,189,957,312,512
  5. Step 5: Solve for x
    x = 11,912,968,295,189,957,312,512/109,375,488,729.60
  6. Step 6: Final answer
    x = 108,918,080,582.40

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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.