Home / 170,524,632.20-255,689,037.50-66,772,361.16

Finding the Fourth Proportional to 170,524,632.20, 255,689,037.50 and 66,772,361.16

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Solution

The fourth proportional to 170,524,632.20, 255,689,037.50 and 66,772,361.16 is: 100,120,202.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,524,632.20 : 255,689,037.50 = 66,772,361.16 : x
  2. Step 2: Convert to fraction form
    170,524,632.20/255,689,037.50 = 66,772,361.16/x
  3. Step 3: Cross multiply
    170,524,632.20x = 255,689,037.50 × 66,772,361.16
  4. Step 4: Simplify right side
    170,524,632.20x = 17,072,960,756,602,782
  5. Step 5: Solve for x
    x = 17,072,960,756,602,782/170,524,632.20
  6. Step 6: Final answer
    x = 100,120,202.79

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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.