Home / 378,876,901.55-568,335,724.91-120,112,299.93

Finding the Fourth Proportional to 378,876,901.55, 568,335,724.91 and 120,112,299.93

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Solution

The fourth proportional to 378,876,901.55, 568,335,724.91 and 120,112,299.93 is: 180,174,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,876,901.55 : 568,335,724.91 = 120,112,299.93 : x
  2. Step 2: Convert to fraction form
    378,876,901.55/568,335,724.91 = 120,112,299.93/x
  3. Step 3: Cross multiply
    378,876,901.55x = 568,335,724.91 × 120,112,299.93
  4. Step 4: Simplify right side
    378,876,901.55x = 68,264,111,050,723,328
  5. Step 5: Solve for x
    x = 68,264,111,050,723,328/378,876,901.55
  6. Step 6: Final answer
    x = 180,174,908.45

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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.