Home / 170,055,816.70-255,083,725.05-72,995,007.10

Finding the Fourth Proportional to 170,055,816.70, 255,083,725.05 and 72,995,007.10

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Solution

The fourth proportional to 170,055,816.70, 255,083,725.05 and 72,995,007.10 is: 109,492,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,055,816.70 : 255,083,725.05 = 72,995,007.10 : x
  2. Step 2: Convert to fraction form
    170,055,816.70/255,083,725.05 = 72,995,007.10/x
  3. Step 3: Cross multiply
    170,055,816.70x = 255,083,725.05 × 72,995,007.10
  4. Step 4: Simplify right side
    170,055,816.70x = 18,619,838,321,119,196
  5. Step 5: Solve for x
    x = 18,619,838,321,119,196/170,055,816.70
  6. Step 6: Final answer
    x = 109,492,510.65

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Similar ratio
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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.