Home / 121,168,548,180.80-181,752,822,271.20-81,496,690,107.20

Finding the Fourth Proportional to 121,168,548,180.80, 181,752,822,271.20 and 81,496,690,107.20

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Solution

The fourth proportional to 121,168,548,180.80, 181,752,822,271.20 and 81,496,690,107.20 is: 122,245,035,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,168,548,180.80 : 181,752,822,271.20 = 81,496,690,107.20 : x
  2. Step 2: Convert to fraction form
    121,168,548,180.80/181,752,822,271.20 = 81,496,690,107.20/x
  3. Step 3: Cross multiply
    121,168,548,180.80x = 181,752,822,271.20 × 81,496,690,107.20
  4. Step 4: Simplify right side
    121,168,548,180.80x = 14,812,253,432,744,985,493,504
  5. Step 5: Solve for x
    x = 14,812,253,432,744,985,493,504/121,168,548,180.80
  6. Step 6: Final answer
    x = 122,245,035,160.80

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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.