Home / 264,218,429.70-396,327,644.55-166,008,132.90

Finding the Fourth Proportional to 264,218,429.70, 396,327,644.55 and 166,008,132.90

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Solution

The fourth proportional to 264,218,429.70, 396,327,644.55 and 166,008,132.90 is: 249,012,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,218,429.70 : 396,327,644.55 = 166,008,132.90 : x
  2. Step 2: Convert to fraction form
    264,218,429.70/396,327,644.55 = 166,008,132.90/x
  3. Step 3: Cross multiply
    264,218,429.70x = 396,327,644.55 × 166,008,132.90
  4. Step 4: Simplify right side
    264,218,429.70x = 65,793,612,288,400,368
  5. Step 5: Solve for x
    x = 65,793,612,288,400,368/264,218,429.70
  6. Step 6: Final answer
    x = 249,012,199.35

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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.