Home / 80,949,009.40-121,381,523.70-29,804,702.20

Finding the Fourth Proportional to 80,949,009.40, 121,381,523.70 and 29,804,702.20

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Solution

The fourth proportional to 80,949,009.40, 121,381,523.70 and 29,804,702.20 is: 44,691,592.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,949,009.40 : 121,381,523.70 = 29,804,702.20 : x
  2. Step 2: Convert to fraction form
    80,949,009.40/121,381,523.70 = 29,804,702.20/x
  3. Step 3: Cross multiply
    80,949,009.40x = 121,381,523.70 × 29,804,702.20
  4. Step 4: Simplify right side
    80,949,009.40x = 3,617,740,166,460,742
  5. Step 5: Solve for x
    x = 3,617,740,166,460,742/80,949,009.40
  6. Step 6: Final answer
    x = 44,691,592.81

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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.