Home / 34,128,000.80-51,192,001.20-21,373,416.80

Finding the Fourth Proportional to 34,128,000.80, 51,192,001.20 and 21,373,416.80

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Solution

The fourth proportional to 34,128,000.80, 51,192,001.20 and 21,373,416.80 is: 32,060,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,128,000.80 : 51,192,001.20 = 21,373,416.80 : x
  2. Step 2: Convert to fraction form
    34,128,000.80/51,192,001.20 = 21,373,416.80/x
  3. Step 3: Cross multiply
    34,128,000.80x = 51,192,001.20 × 21,373,416.80
  4. Step 4: Simplify right side
    34,128,000.80x = 1,094,147,978,473,700.25
  5. Step 5: Solve for x
    x = 1,094,147,978,473,700.25/34,128,000.80
  6. Step 6: Final answer
    x = 32,060,125.20

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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.