Home / 51,642,438.10-71,261,146.51-29,308,311.90

Finding the Fourth Proportional to 51,642,438.10, 71,261,146.51 and 29,308,311.90

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Solution

The fourth proportional to 51,642,438.10, 71,261,146.51 and 29,308,311.90 is: 40,442,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,642,438.10 : 71,261,146.51 = 29,308,311.90 : x
  2. Step 2: Convert to fraction form
    51,642,438.10/71,261,146.51 = 29,308,311.90/x
  3. Step 3: Cross multiply
    51,642,438.10x = 71,261,146.51 × 29,308,311.90
  4. Step 4: Simplify right side
    51,642,438.10x = 2,088,543,908,193,405.25
  5. Step 5: Solve for x
    x = 2,088,543,908,193,405.25/51,642,438.10
  6. Step 6: Final answer
    x = 40,442,395.54

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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.