Home / 67,186,095.20-100,779,142.80-53,749,167.20

Finding the Fourth Proportional to 67,186,095.20, 100,779,142.80 and 53,749,167.20

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Solution

The fourth proportional to 67,186,095.20, 100,779,142.80 and 53,749,167.20 is: 80,623,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,186,095.20 : 100,779,142.80 = 53,749,167.20 : x
  2. Step 2: Convert to fraction form
    67,186,095.20/100,779,142.80 = 53,749,167.20/x
  3. Step 3: Cross multiply
    67,186,095.20x = 100,779,142.80 × 53,749,167.20
  4. Step 4: Simplify right side
    67,186,095.20x = 5,416,794,996,629,876
  5. Step 5: Solve for x
    x = 5,416,794,996,629,876/67,186,095.20
  6. Step 6: Final answer
    x = 80,623,750.80

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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.