Home / 98,389,886.76-135,775,720.26-54,336,008.52

Finding the Fourth Proportional to 98,389,886.76, 135,775,720.26 and 54,336,008.52

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Solution

The fourth proportional to 98,389,886.76, 135,775,720.26 and 54,336,008.52 is: 74,982,408.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,389,886.76 : 135,775,720.26 = 54,336,008.52 : x
  2. Step 2: Convert to fraction form
    98,389,886.76/135,775,720.26 = 54,336,008.52/x
  3. Step 3: Cross multiply
    98,389,886.76x = 135,775,720.26 × 54,336,008.52
  4. Step 4: Simplify right side
    98,389,886.76x = 7,377,510,692,856,497
  5. Step 5: Solve for x
    x = 7,377,510,692,856,497/98,389,886.76
  6. Step 6: Final answer
    x = 74,982,408.62

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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.