Home / 260,056,108.44-390,091,263.12-75,819,132.14

Finding the Fourth Proportional to 260,056,108.44, 390,091,263.12 and 75,819,132.14

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Solution

The fourth proportional to 260,056,108.44, 390,091,263.12 and 75,819,132.14 is: 113,730,768.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,056,108.44 : 390,091,263.12 = 75,819,132.14 : x
  2. Step 2: Convert to fraction form
    260,056,108.44/390,091,263.12 = 75,819,132.14/x
  3. Step 3: Cross multiply
    260,056,108.44x = 390,091,263.12 × 75,819,132.14
  4. Step 4: Simplify right side
    260,056,108.44x = 29,576,381,023,204,336
  5. Step 5: Solve for x
    x = 29,576,381,023,204,336/260,056,108.44
  6. Step 6: Final answer
    x = 113,730,768.34

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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.