Home / 168,156,749.20-252,235,123.80-53,176,536.40

Finding the Fourth Proportional to 168,156,749.20, 252,235,123.80 and 53,176,536.40

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Solution

The fourth proportional to 168,156,749.20, 252,235,123.80 and 53,176,536.40 is: 79,764,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,156,749.20 : 252,235,123.80 = 53,176,536.40 : x
  2. Step 2: Convert to fraction form
    168,156,749.20/252,235,123.80 = 53,176,536.40/x
  3. Step 3: Cross multiply
    168,156,749.20x = 252,235,123.80 × 53,176,536.40
  4. Step 4: Simplify right side
    168,156,749.20x = 13,412,990,242,109,206
  5. Step 5: Solve for x
    x = 13,412,990,242,109,206/168,156,749.20
  6. Step 6: Final answer
    x = 79,764,804.60

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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.