Home / 98,389,913.76-135,775,757.52-54,336,035.52

Finding the Fourth Proportional to 98,389,913.76, 135,775,757.52 and 54,336,035.52

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Solution

The fourth proportional to 98,389,913.76, 135,775,757.52 and 54,336,035.52 is: 74,982,445.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,389,913.76 : 135,775,757.52 = 54,336,035.52 : x
  2. Step 2: Convert to fraction form
    98,389,913.76/135,775,757.52 = 54,336,035.52/x
  3. Step 3: Cross multiply
    98,389,913.76x = 135,775,757.52 × 54,336,035.52
  4. Step 4: Simplify right side
    98,389,913.76x = 7,377,516,383,361,628
  5. Step 5: Solve for x
    x = 7,377,516,383,361,628/98,389,913.76
  6. Step 6: Final answer
    x = 74,982,445.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.