Home / 400,140,199.56-600,126,318.54-112,858,678.92

Finding the Fourth Proportional to 400,140,199.56, 600,126,318.54 and 112,858,678.92

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Solution

The fourth proportional to 400,140,199.56, 600,126,318.54 and 112,858,678.92 is: 169,264,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,140,199.56 : 600,126,318.54 = 112,858,678.92 : x
  2. Step 2: Convert to fraction form
    400,140,199.56/600,126,318.54 = 112,858,678.92/x
  3. Step 3: Cross multiply
    400,140,199.56x = 600,126,318.54 × 112,858,678.92
  4. Step 4: Simplify right side
    400,140,199.56x = 67,729,463,495,547,496
  5. Step 5: Solve for x
    x = 67,729,463,495,547,496/400,140,199.56
  6. Step 6: Final answer
    x = 169,264,331.78

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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.