Home / 80,851,541.70-121,277,312.55-29,722,980.90

Finding the Fourth Proportional to 80,851,541.70, 121,277,312.55 and 29,722,980.90

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Solution

The fourth proportional to 80,851,541.70, 121,277,312.55 and 29,722,980.90 is: 44,584,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,851,541.70 : 121,277,312.55 = 29,722,980.90 : x
  2. Step 2: Convert to fraction form
    80,851,541.70/121,277,312.55 = 29,722,980.90/x
  3. Step 3: Cross multiply
    80,851,541.70x = 121,277,312.55 × 29,722,980.90
  4. Step 4: Simplify right side
    80,851,541.70x = 3,604,723,244,526,980
  5. Step 5: Solve for x
    x = 3,604,723,244,526,980/80,851,541.70
  6. Step 6: Final answer
    x = 44,584,471.35

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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.