Home / 168,156,748.70-252,235,123.05-53,176,535.90

Finding the Fourth Proportional to 168,156,748.70, 252,235,123.05 and 53,176,535.90

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Solution

The fourth proportional to 168,156,748.70, 252,235,123.05 and 53,176,535.90 is: 79,764,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,156,748.70 : 252,235,123.05 = 53,176,535.90 : x
  2. Step 2: Convert to fraction form
    168,156,748.70/252,235,123.05 = 53,176,535.90/x
  3. Step 3: Cross multiply
    168,156,748.70x = 252,235,123.05 × 53,176,535.90
  4. Step 4: Simplify right side
    168,156,748.70x = 13,412,990,076,109,242
  5. Step 5: Solve for x
    x = 13,412,990,076,109,242/168,156,748.70
  6. Step 6: Final answer
    x = 79,764,803.85

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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.