Home / 261,560,553.76-392,355,138.48-106,091,272.72

Finding the Fourth Proportional to 261,560,553.76, 392,355,138.48 and 106,091,272.72

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Solution

The fourth proportional to 261,560,553.76, 392,355,138.48 and 106,091,272.72 is: 159,142,712.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,560,553.76 : 392,355,138.48 = 106,091,272.72 : x
  2. Step 2: Convert to fraction form
    261,560,553.76/392,355,138.48 = 106,091,272.72/x
  3. Step 3: Cross multiply
    261,560,553.76x = 392,355,138.48 × 106,091,272.72
  4. Step 4: Simplify right side
    261,560,553.76x = 41,625,455,997,082,816
  5. Step 5: Solve for x
    x = 41,625,455,997,082,816/261,560,553.76
  6. Step 6: Final answer
    x = 159,142,712.46

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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.