Home / 115,106,846.20-172,350,871.21-87,682,497.69

Finding the Fourth Proportional to 115,106,846.20, 172,350,871.21 and 87,682,497.69

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Solution

The fourth proportional to 115,106,846.20, 172,350,871.21 and 87,682,497.69 is: 131,288,062.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,106,846.20 : 172,350,871.21 = 87,682,497.69 : x
  2. Step 2: Convert to fraction form
    115,106,846.20/172,350,871.21 = 87,682,497.69/x
  3. Step 3: Cross multiply
    115,106,846.20x = 172,350,871.21 × 87,682,497.69
  4. Step 4: Simplify right side
    115,106,846.20x = 15,112,154,866,740,312
  5. Step 5: Solve for x
    x = 15,112,154,866,740,312/115,106,846.20
  6. Step 6: Final answer
    x = 131,288,062.92

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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.