Home / 98,648,279.40-147,846,447.90-75,815,999.40

Finding the Fourth Proportional to 98,648,279.40, 147,846,447.90 and 75,815,999.40

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Solution

The fourth proportional to 98,648,279.40, 147,846,447.90 and 75,815,999.40 is: 113,627,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,648,279.40 : 147,846,447.90 = 75,815,999.40 : x
  2. Step 2: Convert to fraction form
    98,648,279.40/147,846,447.90 = 75,815,999.40/x
  3. Step 3: Cross multiply
    98,648,279.40x = 147,846,447.90 × 75,815,999.40
  4. Step 4: Simplify right side
    98,648,279.40x = 11,209,126,205,278,532
  5. Step 5: Solve for x
    x = 11,209,126,205,278,532/98,648,279.40
  6. Step 6: Final answer
    x = 113,627,184.11

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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.