Home / 80,136,000.45-120,164,197.23-25,541,482.05

Finding the Fourth Proportional to 80,136,000.45, 120,164,197.23 and 25,541,482.05

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Solution

The fourth proportional to 80,136,000.45, 120,164,197.23 and 25,541,482.05 is: 38,299,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,136,000.45 : 120,164,197.23 = 25,541,482.05 : x
  2. Step 2: Convert to fraction form
    80,136,000.45/120,164,197.23 = 25,541,482.05/x
  3. Step 3: Cross multiply
    80,136,000.45x = 120,164,197.23 × 25,541,482.05
  4. Step 4: Simplify right side
    80,136,000.45x = 3,069,171,686,602,705
  5. Step 5: Solve for x
    x = 3,069,171,686,602,705/80,136,000.45
  6. Step 6: Final answer
    x = 38,299,536.65

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Double scale
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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.