Home / 61,479,947.60-92,219,921.40-18,929,675.60

Finding the Fourth Proportional to 61,479,947.60, 92,219,921.40 and 18,929,675.60

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Solution

The fourth proportional to 61,479,947.60, 92,219,921.40 and 18,929,675.60 is: 28,394,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,479,947.60 : 92,219,921.40 = 18,929,675.60 : x
  2. Step 2: Convert to fraction form
    61,479,947.60/92,219,921.40 = 18,929,675.60/x
  3. Step 3: Cross multiply
    61,479,947.60x = 92,219,921.40 × 18,929,675.60
  4. Step 4: Simplify right side
    61,479,947.60x = 1,745,693,195,959,498
  5. Step 5: Solve for x
    x = 1,745,693,195,959,498/61,479,947.60
  6. Step 6: Final answer
    x = 28,394,513.40

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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.