Home / 170,247,727.20-255,371,590.80-84,154,285.20

Finding the Fourth Proportional to 170,247,727.20, 255,371,590.80 and 84,154,285.20

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Solution

The fourth proportional to 170,247,727.20, 255,371,590.80 and 84,154,285.20 is: 126,231,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,247,727.20 : 255,371,590.80 = 84,154,285.20 : x
  2. Step 2: Convert to fraction form
    170,247,727.20/255,371,590.80 = 84,154,285.20/x
  3. Step 3: Cross multiply
    170,247,727.20x = 255,371,590.80 × 84,154,285.20
  4. Step 4: Simplify right side
    170,247,727.20x = 21,490,613,684,160,896
  5. Step 5: Solve for x
    x = 21,490,613,684,160,896/170,247,727.20
  6. Step 6: Final answer
    x = 126,231,427.80

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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.