Home / 99,213,666.15-148,810,876.42-30,127,067.89

Finding the Fourth Proportional to 99,213,666.15, 148,810,876.42 and 30,127,067.89

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Solution

The fourth proportional to 99,213,666.15, 148,810,876.42 and 30,127,067.89 is: 45,187,679.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,213,666.15 : 148,810,876.42 = 30,127,067.89 : x
  2. Step 2: Convert to fraction form
    99,213,666.15/148,810,876.42 = 30,127,067.89/x
  3. Step 3: Cross multiply
    99,213,666.15x = 148,810,876.42 × 30,127,067.89
  4. Step 4: Simplify right side
    99,213,666.15x = 4,483,235,376,675,740
  5. Step 5: Solve for x
    x = 4,483,235,376,675,740/99,213,666.15
  6. Step 6: Final answer
    x = 45,187,679.79

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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.