Home / 170,959,329.80-256,564,965.90-68,796,686.60

Finding the Fourth Proportional to 170,959,329.80, 256,564,965.90 and 68,796,686.60

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Solution

The fourth proportional to 170,959,329.80, 256,564,965.90 and 68,796,686.60 is: 103,245,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,959,329.80 : 256,564,965.90 = 68,796,686.60 : x
  2. Step 2: Convert to fraction form
    170,959,329.80/256,564,965.90 = 68,796,686.60/x
  3. Step 3: Cross multiply
    170,959,329.80x = 256,564,965.90 × 68,796,686.60
  4. Step 4: Simplify right side
    170,959,329.80x = 17,650,819,551,561,986
  5. Step 5: Solve for x
    x = 17,650,819,551,561,986/170,959,329.80
  6. Step 6: Final answer
    x = 103,245,722.67

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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.