Home / 81,661,514.10-122,492,271.15-52,751,123.70

Finding the Fourth Proportional to 81,661,514.10, 122,492,271.15 and 52,751,123.70

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Solution

The fourth proportional to 81,661,514.10, 122,492,271.15 and 52,751,123.70 is: 79,126,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,661,514.10 : 122,492,271.15 = 52,751,123.70 : x
  2. Step 2: Convert to fraction form
    81,661,514.10/122,492,271.15 = 52,751,123.70/x
  3. Step 3: Cross multiply
    81,661,514.10x = 122,492,271.15 × 52,751,123.70
  4. Step 4: Simplify right side
    81,661,514.10x = 6,461,604,947,727,592
  5. Step 5: Solve for x
    x = 6,461,604,947,727,592/81,661,514.10
  6. Step 6: Final answer
    x = 79,126,685.55

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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.