Home / 367,644,581.20-551,466,871.80-185,868,139.60

Finding the Fourth Proportional to 367,644,581.20, 551,466,871.80 and 185,868,139.60

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Solution

The fourth proportional to 367,644,581.20, 551,466,871.80 and 185,868,139.60 is: 278,802,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,644,581.20 : 551,466,871.80 = 185,868,139.60 : x
  2. Step 2: Convert to fraction form
    367,644,581.20/551,466,871.80 = 185,868,139.60/x
  3. Step 3: Cross multiply
    367,644,581.20x = 551,466,871.80 × 185,868,139.60
  4. Step 4: Simplify right side
    367,644,581.20x = 102,500,121,512,497,696
  5. Step 5: Solve for x
    x = 102,500,121,512,497,696/367,644,581.20
  6. Step 6: Final answer
    x = 278,802,209.40

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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.