Home / 80,290,862.84-110,776,980.30-45,478,021.88

Finding the Fourth Proportional to 80,290,862.84, 110,776,980.30 and 45,478,021.88

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Solution

The fourth proportional to 80,290,862.84, 110,776,980.30 and 45,478,021.88 is: 62,745,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,290,862.84 : 110,776,980.30 = 45,478,021.88 : x
  2. Step 2: Convert to fraction form
    80,290,862.84/110,776,980.30 = 45,478,021.88/x
  3. Step 3: Cross multiply
    80,290,862.84x = 110,776,980.30 × 45,478,021.88
  4. Step 4: Simplify right side
    80,290,862.84x = 5,037,917,933,883,729
  5. Step 5: Solve for x
    x = 5,037,917,933,883,729/80,290,862.84
  6. Step 6: Final answer
    x = 62,745,843.74

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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.