Home / 99,303,805.63-148,961,311.20-30,218,860.68

Finding the Fourth Proportional to 99,303,805.63, 148,961,311.20 and 30,218,860.68

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Solution

The fourth proportional to 99,303,805.63, 148,961,311.20 and 30,218,860.68 is: 45,329,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,303,805.63 : 148,961,311.20 = 30,218,860.68 : x
  2. Step 2: Convert to fraction form
    99,303,805.63/148,961,311.20 = 30,218,860.68/x
  3. Step 3: Cross multiply
    99,303,805.63x = 148,961,311.20 × 30,218,860.68
  4. Step 4: Simplify right side
    99,303,805.63x = 4,501,441,109,862,923
  5. Step 5: Solve for x
    x = 4,501,441,109,862,923/99,303,805.63
  6. Step 6: Final answer
    x = 45,329,995.98

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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.