Home / 200,029,562.20-300,044,343.30-85,017,856.60

Finding the Fourth Proportional to 200,029,562.20, 300,044,343.30 and 85,017,856.60

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Solution

The fourth proportional to 200,029,562.20, 300,044,343.30 and 85,017,856.60 is: 127,526,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,029,562.20 : 300,044,343.30 = 85,017,856.60 : x
  2. Step 2: Convert to fraction form
    200,029,562.20/300,044,343.30 = 85,017,856.60/x
  3. Step 3: Cross multiply
    200,029,562.20x = 300,044,343.30 × 85,017,856.60
  4. Step 4: Simplify right side
    200,029,562.20x = 25,509,126,952,320,572
  5. Step 5: Solve for x
    x = 25,509,126,952,320,572/200,029,562.20
  6. Step 6: Final answer
    x = 127,526,784.90

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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.