Home / 98,780,959.20-148,177,037.60-30,633,339.36

Finding the Fourth Proportional to 98,780,959.20, 148,177,037.60 and 30,633,339.36

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Solution

The fourth proportional to 98,780,959.20, 148,177,037.60 and 30,633,339.36 is: 45,951,745.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,780,959.20 : 148,177,037.60 = 30,633,339.36 : x
  2. Step 2: Convert to fraction form
    98,780,959.20/148,177,037.60 = 30,633,339.36/x
  3. Step 3: Cross multiply
    98,780,959.20x = 148,177,037.60 × 30,633,339.36
  4. Step 4: Simplify right side
    98,780,959.20x = 4,539,157,478,160,280
  5. Step 5: Solve for x
    x = 4,539,157,478,160,280/98,780,959.20
  6. Step 6: Final answer
    x = 45,951,745.31

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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.