Home / 100,224,280.80-150,336,421.20-80,068,888.80

Finding the Fourth Proportional to 100,224,280.80, 150,336,421.20 and 80,068,888.80

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Solution

The fourth proportional to 100,224,280.80, 150,336,421.20 and 80,068,888.80 is: 120,103,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,224,280.80 : 150,336,421.20 = 80,068,888.80 : x
  2. Step 2: Convert to fraction form
    100,224,280.80/150,336,421.20 = 80,068,888.80/x
  3. Step 3: Cross multiply
    100,224,280.80x = 150,336,421.20 × 80,068,888.80
  4. Step 4: Simplify right side
    100,224,280.80x = 12,037,270,191,652,762
  5. Step 5: Solve for x
    x = 12,037,270,191,652,762/100,224,280.80
  6. Step 6: Final answer
    x = 120,103,333.20

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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.