Home / 172,656,701.31-259,169,416.61-74,337,099.87

Finding the Fourth Proportional to 172,656,701.31, 259,169,416.61 and 74,337,099.87

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Solution

The fourth proportional to 172,656,701.31, 259,169,416.61 and 74,337,099.87 is: 111,585,027.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,656,701.31 : 259,169,416.61 = 74,337,099.87 : x
  2. Step 2: Convert to fraction form
    172,656,701.31/259,169,416.61 = 74,337,099.87/x
  3. Step 3: Cross multiply
    172,656,701.31x = 259,169,416.61 × 74,337,099.87
  4. Step 4: Simplify right side
    172,656,701.31x = 19,265,902,805,415,520
  5. Step 5: Solve for x
    x = 19,265,902,805,415,520/172,656,701.31
  6. Step 6: Final answer
    x = 111,585,027.74

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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.