Home / 100,404,956.90-150,607,435.35-69,793,955.30

Finding the Fourth Proportional to 100,404,956.90, 150,607,435.35 and 69,793,955.30

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Solution

The fourth proportional to 100,404,956.90, 150,607,435.35 and 69,793,955.30 is: 104,690,932.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,404,956.90 : 150,607,435.35 = 69,793,955.30 : x
  2. Step 2: Convert to fraction form
    100,404,956.90/150,607,435.35 = 69,793,955.30/x
  3. Step 3: Cross multiply
    100,404,956.90x = 150,607,435.35 × 69,793,955.30
  4. Step 4: Simplify right side
    100,404,956.90x = 10,511,488,610,665,538
  5. Step 5: Solve for x
    x = 10,511,488,610,665,538/100,404,956.90
  6. Step 6: Final answer
    x = 104,690,932.95

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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.