Home / 80,580,380,515.20-120,870,570,772.80-63,746,597,116.80

Finding the Fourth Proportional to 80,580,380,515.20, 120,870,570,772.80 and 63,746,597,116.80

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Solution

The fourth proportional to 80,580,380,515.20, 120,870,570,772.80 and 63,746,597,116.80 is: 95,619,895,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,580,380,515.20 : 120,870,570,772.80 = 63,746,597,116.80 : x
  2. Step 2: Convert to fraction form
    80,580,380,515.20/120,870,570,772.80 = 63,746,597,116.80/x
  3. Step 3: Cross multiply
    80,580,380,515.20x = 120,870,570,772.80 × 63,746,597,116.80
  4. Step 4: Simplify right side
    80,580,380,515.20x = 7,705,087,578,331,343,224,832
  5. Step 5: Solve for x
    x = 7,705,087,578,331,343,224,832/80,580,380,515.20
  6. Step 6: Final answer
    x = 95,619,895,675.20

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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.