Home / 79,778,977.20-119,672,402.40-41,515,225.20

Finding the Fourth Proportional to 79,778,977.20, 119,672,402.40 and 41,515,225.20

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Solution

The fourth proportional to 79,778,977.20, 119,672,402.40 and 41,515,225.20 is: 62,274,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,778,977.20 : 119,672,402.40 = 41,515,225.20 : x
  2. Step 2: Convert to fraction form
    79,778,977.20/119,672,402.40 = 41,515,225.20/x
  3. Step 3: Cross multiply
    79,778,977.20x = 119,672,402.40 × 41,515,225.20
  4. Step 4: Simplify right side
    79,778,977.20x = 4,968,226,735,861,021
  5. Step 5: Solve for x
    x = 4,968,226,735,861,021/79,778,977.20
  6. Step 6: Final answer
    x = 62,274,886.32

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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.