Home / 90,044,791.38-135,080,639.28-28,635,953.40

Finding the Fourth Proportional to 90,044,791.38, 135,080,639.28 and 28,635,953.40

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Solution

The fourth proportional to 90,044,791.38, 135,080,639.28 and 28,635,953.40 is: 42,958,208.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,044,791.38 : 135,080,639.28 = 28,635,953.40 : x
  2. Step 2: Convert to fraction form
    90,044,791.38/135,080,639.28 = 28,635,953.40/x
  3. Step 3: Cross multiply
    90,044,791.38x = 135,080,639.28 × 28,635,953.40
  4. Step 4: Simplify right side
    90,044,791.38x = 3,868,162,891,664,289.50
  5. Step 5: Solve for x
    x = 3,868,162,891,664,289.50/90,044,791.38
  6. Step 6: Final answer
    x = 42,958,208.16

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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.