Home / 80,461,574.20-120,692,361.30-26,608,886.20

Finding the Fourth Proportional to 80,461,574.20, 120,692,361.30 and 26,608,886.20

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Solution

The fourth proportional to 80,461,574.20, 120,692,361.30 and 26,608,886.20 is: 39,913,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,461,574.20 : 120,692,361.30 = 26,608,886.20 : x
  2. Step 2: Convert to fraction form
    80,461,574.20/120,692,361.30 = 26,608,886.20/x
  3. Step 3: Cross multiply
    80,461,574.20x = 120,692,361.30 × 26,608,886.20
  4. Step 4: Simplify right side
    80,461,574.20x = 3,211,489,307,040,984
  5. Step 5: Solve for x
    x = 3,211,489,307,040,984/80,461,574.20
  6. Step 6: Final answer
    x = 39,913,329.30

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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.