Home / 149,288,248.32-205,921,609.36-99,051,379.60

Finding the Fourth Proportional to 149,288,248.32, 205,921,609.36 and 99,051,379.60

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Solution

The fourth proportional to 149,288,248.32, 205,921,609.36 and 99,051,379.60 is: 136,627,093.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,288,248.32 : 205,921,609.36 = 99,051,379.60 : x
  2. Step 2: Convert to fraction form
    149,288,248.32/205,921,609.36 = 99,051,379.60/x
  3. Step 3: Cross multiply
    149,288,248.32x = 205,921,609.36 × 99,051,379.60
  4. Step 4: Simplify right side
    149,288,248.32x = 20,396,819,496,560,272
  5. Step 5: Solve for x
    x = 20,396,819,496,560,272/149,288,248.32
  6. Step 6: Final answer
    x = 136,627,093.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.