Home / 128,664,687.20-192,997,030.80-32,926,575.20

Finding the Fourth Proportional to 128,664,687.20, 192,997,030.80 and 32,926,575.20

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Solution

The fourth proportional to 128,664,687.20, 192,997,030.80 and 32,926,575.20 is: 49,389,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,664,687.20 : 192,997,030.80 = 32,926,575.20 : x
  2. Step 2: Convert to fraction form
    128,664,687.20/192,997,030.80 = 32,926,575.20/x
  3. Step 3: Cross multiply
    128,664,687.20x = 192,997,030.80 × 32,926,575.20
  4. Step 4: Simplify right side
    128,664,687.20x = 6,354,731,248,012,916
  5. Step 5: Solve for x
    x = 6,354,731,248,012,916/128,664,687.20
  6. Step 6: Final answer
    x = 49,389,862.80

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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.