Home / 99,651,303.70-149,364,981.15-51,110,401.30

Finding the Fourth Proportional to 99,651,303.70, 149,364,981.15 and 51,110,401.30

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Solution

The fourth proportional to 99,651,303.70, 149,364,981.15 and 51,110,401.30 is: 76,608,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,651,303.70 : 149,364,981.15 = 51,110,401.30 : x
  2. Step 2: Convert to fraction form
    99,651,303.70/149,364,981.15 = 51,110,401.30/x
  3. Step 3: Cross multiply
    99,651,303.70x = 149,364,981.15 × 51,110,401.30
  4. Step 4: Simplify right side
    99,651,303.70x = 7,634,104,126,743,435
  5. Step 5: Solve for x
    x = 7,634,104,126,743,435/99,651,303.70
  6. Step 6: Final answer
    x = 76,608,171.13

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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.