Home / 79,744,005.80-119,616,008.70-68,264,880.20

Finding the Fourth Proportional to 79,744,005.80, 119,616,008.70 and 68,264,880.20

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Solution

The fourth proportional to 79,744,005.80, 119,616,008.70 and 68,264,880.20 is: 102,397,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,744,005.80 : 119,616,008.70 = 68,264,880.20 : x
  2. Step 2: Convert to fraction form
    79,744,005.80/119,616,008.70 = 68,264,880.20/x
  3. Step 3: Cross multiply
    79,744,005.80x = 119,616,008.70 × 68,264,880.20
  4. Step 4: Simplify right side
    79,744,005.80x = 8,165,572,503,907,658
  5. Step 5: Solve for x
    x = 8,165,572,503,907,658/79,744,005.80
  6. Step 6: Final answer
    x = 102,397,320.30

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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.