Home / 99,213,515.70-148,810,650.74-30,126,918.34

Finding the Fourth Proportional to 99,213,515.70, 148,810,650.74 and 30,126,918.34

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Solution

The fourth proportional to 99,213,515.70, 148,810,650.74 and 30,126,918.34 is: 45,187,455.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,213,515.70 : 148,810,650.74 = 30,126,918.34 : x
  2. Step 2: Convert to fraction form
    99,213,515.70/148,810,650.74 = 30,126,918.34/x
  3. Step 3: Cross multiply
    99,213,515.70x = 148,810,650.74 × 30,126,918.34
  4. Step 4: Simplify right side
    99,213,515.70x = 4,483,206,322,966,241
  5. Step 5: Solve for x
    x = 4,483,206,322,966,241/99,213,515.70
  6. Step 6: Final answer
    x = 45,187,455.47

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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.