Home / 80,634,500.10-120,951,750.15-20,050,226.10

Finding the Fourth Proportional to 80,634,500.10, 120,951,750.15 and 20,050,226.10

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Solution

The fourth proportional to 80,634,500.10, 120,951,750.15 and 20,050,226.10 is: 30,075,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,634,500.10 : 120,951,750.15 = 20,050,226.10 : x
  2. Step 2: Convert to fraction form
    80,634,500.10/120,951,750.15 = 20,050,226.10/x
  3. Step 3: Cross multiply
    80,634,500.10x = 120,951,750.15 × 20,050,226.10
  4. Step 4: Simplify right side
    80,634,500.10x = 2,425,109,937,698,209
  5. Step 5: Solve for x
    x = 2,425,109,937,698,209/80,634,500.10
  6. Step 6: Final answer
    x = 30,075,339.15

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Double scale
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Similar ratio
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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.