Home / 170,187,330.30-255,280,995.45-168,911,871.90

Finding the Fourth Proportional to 170,187,330.30, 255,280,995.45 and 168,911,871.90

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Solution

The fourth proportional to 170,187,330.30, 255,280,995.45 and 168,911,871.90 is: 253,367,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,187,330.30 : 255,280,995.45 = 168,911,871.90 : x
  2. Step 2: Convert to fraction form
    170,187,330.30/255,280,995.45 = 168,911,871.90/x
  3. Step 3: Cross multiply
    170,187,330.30x = 255,280,995.45 × 168,911,871.90
  4. Step 4: Simplify right side
    170,187,330.30x = 43,119,990,801,954,880
  5. Step 5: Solve for x
    x = 43,119,990,801,954,880/170,187,330.30
  6. Step 6: Final answer
    x = 253,367,807.85

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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.