Home / 108,257,034.20-162,385,551.30-73,819,657.40

Finding the Fourth Proportional to 108,257,034.20, 162,385,551.30 and 73,819,657.40

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Solution

The fourth proportional to 108,257,034.20, 162,385,551.30 and 73,819,657.40 is: 110,729,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,257,034.20 : 162,385,551.30 = 73,819,657.40 : x
  2. Step 2: Convert to fraction form
    108,257,034.20/162,385,551.30 = 73,819,657.40/x
  3. Step 3: Cross multiply
    108,257,034.20x = 162,385,551.30 × 73,819,657.40
  4. Step 4: Simplify right side
    108,257,034.20x = 11,987,245,763,676,126
  5. Step 5: Solve for x
    x = 11,987,245,763,676,126/108,257,034.20
  6. Step 6: Final answer
    x = 110,729,486.10

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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.