Home / 170,187,330.80-255,280,996.20-168,911,872.40

Finding the Fourth Proportional to 170,187,330.80, 255,280,996.20 and 168,911,872.40

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Solution

The fourth proportional to 170,187,330.80, 255,280,996.20 and 168,911,872.40 is: 253,367,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,187,330.80 : 255,280,996.20 = 168,911,872.40 : x
  2. Step 2: Convert to fraction form
    170,187,330.80/255,280,996.20 = 168,911,872.40/x
  3. Step 3: Cross multiply
    170,187,330.80x = 255,280,996.20 × 168,911,872.40
  4. Step 4: Simplify right side
    170,187,330.80x = 43,119,991,056,279,288
  5. Step 5: Solve for x
    x = 43,119,991,056,279,288/170,187,330.80
  6. Step 6: Final answer
    x = 253,367,808.60

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1.5x scale

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.