Home / 181,918,453.20-272,877,679.80-100,005,680.40

Finding the Fourth Proportional to 181,918,453.20, 272,877,679.80 and 100,005,680.40

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Solution

The fourth proportional to 181,918,453.20, 272,877,679.80 and 100,005,680.40 is: 150,008,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,918,453.20 : 272,877,679.80 = 100,005,680.40 : x
  2. Step 2: Convert to fraction form
    181,918,453.20/272,877,679.80 = 100,005,680.40/x
  3. Step 3: Cross multiply
    181,918,453.20x = 272,877,679.80 × 100,005,680.40
  4. Step 4: Simplify right side
    181,918,453.20x = 27,289,318,034,372,340
  5. Step 5: Solve for x
    x = 27,289,318,034,372,340/181,918,453.20
  6. Step 6: Final answer
    x = 150,008,520.60

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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.