Home / 200,471,270-300,708,233.60-77,663,226.52

Finding the Fourth Proportional to 200,471,270, 300,708,233.60 and 77,663,226.52

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Solution

The fourth proportional to 200,471,270, 300,708,233.60 and 77,663,226.52 is: 116,495,354.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,471,270 : 300,708,233.60 = 77,663,226.52 : x
  2. Step 2: Convert to fraction form
    200,471,270/300,708,233.60 = 77,663,226.52/x
  3. Step 3: Cross multiply
    200,471,270x = 300,708,233.60 × 77,663,226.52
  4. Step 4: Simplify right side
    200,471,270x = 23,353,971,662,505,876
  5. Step 5: Solve for x
    x = 23,353,971,662,505,876/200,471,270
  6. Step 6: Final answer
    x = 116,495,354.48

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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.