Home / 168,151,193.40-252,226,790.10-90,667,095.60

Finding the Fourth Proportional to 168,151,193.40, 252,226,790.10 and 90,667,095.60

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Solution

The fourth proportional to 168,151,193.40, 252,226,790.10 and 90,667,095.60 is: 136,000,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,151,193.40 : 252,226,790.10 = 90,667,095.60 : x
  2. Step 2: Convert to fraction form
    168,151,193.40/252,226,790.10 = 90,667,095.60/x
  3. Step 3: Cross multiply
    168,151,193.40x = 252,226,790.10 × 90,667,095.60
  4. Step 4: Simplify right side
    168,151,193.40x = 22,868,670,490,877,832
  5. Step 5: Solve for x
    x = 22,868,670,490,877,832/168,151,193.40
  6. Step 6: Final answer
    x = 136,000,643.40

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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.