Home / 378,254,109.30-567,381,163.95-132,887,799.60

Finding the Fourth Proportional to 378,254,109.30, 567,381,163.95 and 132,887,799.60

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Solution

The fourth proportional to 378,254,109.30, 567,381,163.95 and 132,887,799.60 is: 199,331,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,254,109.30 : 567,381,163.95 = 132,887,799.60 : x
  2. Step 2: Convert to fraction form
    378,254,109.30/567,381,163.95 = 132,887,799.60/x
  3. Step 3: Cross multiply
    378,254,109.30x = 567,381,163.95 × 132,887,799.60
  4. Step 4: Simplify right side
    378,254,109.30x = 75,398,034,411,802,352
  5. Step 5: Solve for x
    x = 75,398,034,411,802,352/378,254,109.30
  6. Step 6: Final answer
    x = 199,331,699.40

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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.