Home / 79,477,006.20-109,679,257.13-48,114,638.88

Finding the Fourth Proportional to 79,477,006.20, 109,679,257.13 and 48,114,638.88

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Solution

The fourth proportional to 79,477,006.20, 109,679,257.13 and 48,114,638.88 is: 66,398,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,477,006.20 : 109,679,257.13 = 48,114,638.88 : x
  2. Step 2: Convert to fraction form
    79,477,006.20/109,679,257.13 = 48,114,638.88/x
  3. Step 3: Cross multiply
    79,477,006.20x = 109,679,257.13 × 48,114,638.88
  4. Step 4: Simplify right side
    79,477,006.20x = 5,277,177,849,196,042
  5. Step 5: Solve for x
    x = 5,277,177,849,196,042/79,477,006.20
  6. Step 6: Final answer
    x = 66,398,800.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.