Home / 302,644,481.55-453,833,862.08-138,827,793.30

Finding the Fourth Proportional to 302,644,481.55, 453,833,862.08 and 138,827,793.30

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Solution

The fourth proportional to 302,644,481.55, 453,833,862.08 and 138,827,793.30 is: 208,180,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,644,481.55 : 453,833,862.08 = 138,827,793.30 : x
  2. Step 2: Convert to fraction form
    302,644,481.55/453,833,862.08 = 138,827,793.30/x
  3. Step 3: Cross multiply
    302,644,481.55x = 453,833,862.08 × 138,827,793.30
  4. Step 4: Simplify right side
    302,644,481.55x = 63,004,753,596,688,816
  5. Step 5: Solve for x
    x = 63,004,753,596,688,816/302,644,481.55
  6. Step 6: Final answer
    x = 208,180,744.86

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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.