Home / 85,734,763.20-118,311,243.84-49,064,546.88

Finding the Fourth Proportional to 85,734,763.20, 118,311,243.84 and 49,064,546.88

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Solution

The fourth proportional to 85,734,763.20, 118,311,243.84 and 49,064,546.88 is: 67,707,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,734,763.20 : 118,311,243.84 = 49,064,546.88 : x
  2. Step 2: Convert to fraction form
    85,734,763.20/118,311,243.84 = 49,064,546.88/x
  3. Step 3: Cross multiply
    85,734,763.20x = 118,311,243.84 × 49,064,546.88
  4. Step 4: Simplify right side
    85,734,763.20x = 5,804,887,569,818,792
  5. Step 5: Solve for x
    x = 5,804,887,569,818,792/85,734,763.20
  6. Step 6: Final answer
    x = 67,707,512.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.