Home / 96,720,001.60-145,080,002.40-91,177,268.80

Finding the Fourth Proportional to 96,720,001.60, 145,080,002.40 and 91,177,268.80

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Solution

The fourth proportional to 96,720,001.60, 145,080,002.40 and 91,177,268.80 is: 136,765,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,720,001.60 : 145,080,002.40 = 91,177,268.80 : x
  2. Step 2: Convert to fraction form
    96,720,001.60/145,080,002.40 = 91,177,268.80/x
  3. Step 3: Cross multiply
    96,720,001.60x = 145,080,002.40 × 91,177,268.80
  4. Step 4: Simplify right side
    96,720,001.60x = 13,227,998,376,329,446
  5. Step 5: Solve for x
    x = 13,227,998,376,329,446/96,720,001.60
  6. Step 6: Final answer
    x = 136,765,903.20

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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.