Home / 128,330,196.20-192,523,287.90-37,446,381.80

Finding the Fourth Proportional to 128,330,196.20, 192,523,287.90 and 37,446,381.80

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Solution

The fourth proportional to 128,330,196.20, 192,523,287.90 and 37,446,381.80 is: 56,177,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,330,196.20 : 192,523,287.90 = 37,446,381.80 : x
  2. Step 2: Convert to fraction form
    128,330,196.20/192,523,287.90 = 37,446,381.80/x
  3. Step 3: Cross multiply
    128,330,196.20x = 192,523,287.90 × 37,446,381.80
  4. Step 4: Simplify right side
    128,330,196.20x = 7,209,300,544,094,720
  5. Step 5: Solve for x
    x = 7,209,300,544,094,720/128,330,196.20
  6. Step 6: Final answer
    x = 56,177,741.15

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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.