Home / 100,651,434.60-150,753,203.10-82,735,530.60

Finding the Fourth Proportional to 100,651,434.60, 150,753,203.10 and 82,735,530.60

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Solution

The fourth proportional to 100,651,434.60, 150,753,203.10 and 82,735,530.60 is: 123,919,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,651,434.60 : 150,753,203.10 = 82,735,530.60 : x
  2. Step 2: Convert to fraction form
    100,651,434.60/150,753,203.10 = 82,735,530.60/x
  3. Step 3: Cross multiply
    100,651,434.60x = 150,753,203.10 × 82,735,530.60
  4. Step 4: Simplify right side
    100,651,434.60x = 12,472,646,248,128,064
  5. Step 5: Solve for x
    x = 12,472,646,248,128,064/100,651,434.60
  6. Step 6: Final answer
    x = 123,919,209.87

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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.