Home / 189,406,000.20-284,109,000.30-87,369,328.20

Finding the Fourth Proportional to 189,406,000.20, 284,109,000.30 and 87,369,328.20

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Solution

The fourth proportional to 189,406,000.20, 284,109,000.30 and 87,369,328.20 is: 131,053,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,406,000.20 : 284,109,000.30 = 87,369,328.20 : x
  2. Step 2: Convert to fraction form
    189,406,000.20/284,109,000.30 = 87,369,328.20/x
  3. Step 3: Cross multiply
    189,406,000.20x = 284,109,000.30 × 87,369,328.20
  4. Step 4: Simplify right side
    189,406,000.20x = 24,822,412,491,784,600
  5. Step 5: Solve for x
    x = 24,822,412,491,784,600/189,406,000.20
  6. Step 6: Final answer
    x = 131,053,992.30

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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.