Home / 166,826,920.80-250,240,381.20-155,489,512.80

Finding the Fourth Proportional to 166,826,920.80, 250,240,381.20 and 155,489,512.80

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Solution

The fourth proportional to 166,826,920.80, 250,240,381.20 and 155,489,512.80 is: 233,234,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,826,920.80 : 250,240,381.20 = 155,489,512.80 : x
  2. Step 2: Convert to fraction form
    166,826,920.80/250,240,381.20 = 155,489,512.80/x
  3. Step 3: Cross multiply
    166,826,920.80x = 250,240,381.20 × 155,489,512.80
  4. Step 4: Simplify right side
    166,826,920.80x = 38,909,754,955,674,280
  5. Step 5: Solve for x
    x = 38,909,754,955,674,280/166,826,920.80
  6. Step 6: Final answer
    x = 233,234,269.20

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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.