Home / 186,715,517.70-280,073,276.55-168,221,370.90

Finding the Fourth Proportional to 186,715,517.70, 280,073,276.55 and 168,221,370.90

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Solution

The fourth proportional to 186,715,517.70, 280,073,276.55 and 168,221,370.90 is: 252,332,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,715,517.70 : 280,073,276.55 = 168,221,370.90 : x
  2. Step 2: Convert to fraction form
    186,715,517.70/280,073,276.55 = 168,221,370.90/x
  3. Step 3: Cross multiply
    186,715,517.70x = 280,073,276.55 × 168,221,370.90
  4. Step 4: Simplify right side
    186,715,517.70x = 47,114,310,533,695,824
  5. Step 5: Solve for x
    x = 47,114,310,533,695,824/186,715,517.70
  6. Step 6: Final answer
    x = 252,332,056.35

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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.