Home / 74,733,833.16-112,145,021.10-31,600,672.20

Finding the Fourth Proportional to 74,733,833.16, 112,145,021.10 and 31,600,672.20

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Solution

The fourth proportional to 74,733,833.16, 112,145,021.10 and 31,600,672.20 is: 47,419,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,733,833.16 : 112,145,021.10 = 31,600,672.20 : x
  2. Step 2: Convert to fraction form
    74,733,833.16/112,145,021.10 = 31,600,672.20/x
  3. Step 3: Cross multiply
    74,733,833.16x = 112,145,021.10 × 31,600,672.20
  4. Step 4: Simplify right side
    74,733,833.16x = 3,543,858,050,643,183
  5. Step 5: Solve for x
    x = 3,543,858,050,643,183/74,733,833.16
  6. Step 6: Final answer
    x = 47,419,728.13

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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.