Home / 302,373,432.60-453,644,129.70-129,932,856.60

Finding the Fourth Proportional to 302,373,432.60, 453,644,129.70 and 129,932,856.60

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Solution

The fourth proportional to 302,373,432.60, 453,644,129.70 and 129,932,856.60 is: 194,935,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,373,432.60 : 453,644,129.70 = 129,932,856.60 : x
  2. Step 2: Convert to fraction form
    302,373,432.60/453,644,129.70 = 129,932,856.60/x
  3. Step 3: Cross multiply
    302,373,432.60x = 453,644,129.70 × 129,932,856.60
  4. Step 4: Simplify right side
    302,373,432.60x = 58,943,277,651,741,896
  5. Step 5: Solve for x
    x = 58,943,277,651,741,896/302,373,432.60
  6. Step 6: Final answer
    x = 194,935,372.28

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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.