Home / 200,565,279.28-276,678,221.88-130,991,385.52

Finding the Fourth Proportional to 200,565,279.28, 276,678,221.88 and 130,991,385.52

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Solution

The fourth proportional to 200,565,279.28, 276,678,221.88 and 130,991,385.52 is: 180,701,583.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,565,279.28 : 276,678,221.88 = 130,991,385.52 : x
  2. Step 2: Convert to fraction form
    200,565,279.28/276,678,221.88 = 130,991,385.52/x
  3. Step 3: Cross multiply
    200,565,279.28x = 276,678,221.88 × 130,991,385.52
  4. Step 4: Simplify right side
    200,565,279.28x = 36,242,463,627,271,176
  5. Step 5: Solve for x
    x = 36,242,463,627,271,176/200,565,279.28
  6. Step 6: Final answer
    x = 180,701,583.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.