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Finding the Fourth Proportional to 79,894,776.96, 110,254,754.88 and 45,094,766.40

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Solution

The fourth proportional to 79,894,776.96, 110,254,754.88 and 45,094,766.40 is: 62,230,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,894,776.96 : 110,254,754.88 = 45,094,766.40 : x
  2. Step 2: Convert to fraction form
    79,894,776.96/110,254,754.88 = 45,094,766.40/x
  3. Step 3: Cross multiply
    79,894,776.96x = 110,254,754.88 × 45,094,766.40
  4. Step 4: Simplify right side
    79,894,776.96x = 4,971,912,415,802,860
  5. Step 5: Solve for x
    x = 4,971,912,415,802,860/79,894,776.96
  6. Step 6: Final answer
    x = 62,230,756.56

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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.