Home / 168,156,748.20-252,235,122.30-53,176,535.40

Finding the Fourth Proportional to 168,156,748.20, 252,235,122.30 and 53,176,535.40

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Solution

The fourth proportional to 168,156,748.20, 252,235,122.30 and 53,176,535.40 is: 79,764,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,156,748.20 : 252,235,122.30 = 53,176,535.40 : x
  2. Step 2: Convert to fraction form
    168,156,748.20/252,235,122.30 = 53,176,535.40/x
  3. Step 3: Cross multiply
    168,156,748.20x = 252,235,122.30 × 53,176,535.40
  4. Step 4: Simplify right side
    168,156,748.20x = 13,412,989,910,109,280
  5. Step 5: Solve for x
    x = 13,412,989,910,109,280/168,156,748.20
  6. Step 6: Final answer
    x = 79,764,803.10

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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.