Home / 79,778,869.20-119,672,240.40-41,515,117.20

Finding the Fourth Proportional to 79,778,869.20, 119,672,240.40 and 41,515,117.20

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Solution

The fourth proportional to 79,778,869.20, 119,672,240.40 and 41,515,117.20 is: 62,274,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,778,869.20 : 119,672,240.40 = 41,515,117.20 : x
  2. Step 2: Convert to fraction form
    79,778,869.20/119,672,240.40 = 41,515,117.20/x
  3. Step 3: Cross multiply
    79,778,869.20x = 119,672,240.40 × 41,515,117.20
  4. Step 4: Simplify right side
    79,778,869.20x = 4,968,207,085,792,575
  5. Step 5: Solve for x
    x = 4,968,207,085,792,575/79,778,869.20
  6. Step 6: Final answer
    x = 62,274,724.32

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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.