Home / 80,846,683.20-121,275,273.60-42,582,931.20

Finding the Fourth Proportional to 80,846,683.20, 121,275,273.60 and 42,582,931.20

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Solution

The fourth proportional to 80,846,683.20, 121,275,273.60 and 42,582,931.20 is: 63,877,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,846,683.20 : 121,275,273.60 = 42,582,931.20 : x
  2. Step 2: Convert to fraction form
    80,846,683.20/121,275,273.60 = 42,582,931.20/x
  3. Step 3: Cross multiply
    80,846,683.20x = 121,275,273.60 × 42,582,931.20
  4. Step 4: Simplify right side
    80,846,683.20x = 5,164,256,631,969,976
  5. Step 5: Solve for x
    x = 5,164,256,631,969,976/80,846,683.20
  6. Step 6: Final answer
    x = 63,877,161.41

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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.