Home / 200,565,284.28-276,678,228.78-130,991,390.52

Finding the Fourth Proportional to 200,565,284.28, 276,678,228.78 and 130,991,390.52

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Solution

The fourth proportional to 200,565,284.28, 276,678,228.78 and 130,991,390.52 is: 180,701,590.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,565,284.28 : 276,678,228.78 = 130,991,390.52 : x
  2. Step 2: Convert to fraction form
    200,565,284.28/276,678,228.78 = 130,991,390.52/x
  3. Step 3: Cross multiply
    200,565,284.28x = 276,678,228.78 × 130,991,390.52
  4. Step 4: Simplify right side
    200,565,284.28x = 36,242,465,914,502,880
  5. Step 5: Solve for x
    x = 36,242,465,914,502,880/200,565,284.28
  6. Step 6: Final answer
    x = 180,701,590.73

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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.