Home / 80,551,931.27-120,846,480.93-25,216,621.29

Finding the Fourth Proportional to 80,551,931.27, 120,846,480.93 and 25,216,621.29

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Solution

The fourth proportional to 80,551,931.27, 120,846,480.93 and 25,216,621.29 is: 37,830,749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,551,931.27 : 120,846,480.93 = 25,216,621.29 : x
  2. Step 2: Convert to fraction form
    80,551,931.27/120,846,480.93 = 25,216,621.29/x
  3. Step 3: Cross multiply
    80,551,931.27x = 120,846,480.93 × 25,216,621.29
  4. Step 4: Simplify right side
    80,551,931.27x = 3,047,339,943,841,017
  5. Step 5: Solve for x
    x = 3,047,339,943,841,017/80,551,931.27
  6. Step 6: Final answer
    x = 37,830,749.63

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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.