Home / 99,642,628.20-149,463,942.30-88,893,085.80

Finding the Fourth Proportional to 99,642,628.20, 149,463,942.30 and 88,893,085.80

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Solution

The fourth proportional to 99,642,628.20, 149,463,942.30 and 88,893,085.80 is: 133,339,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,642,628.20 : 149,463,942.30 = 88,893,085.80 : x
  2. Step 2: Convert to fraction form
    99,642,628.20/149,463,942.30 = 88,893,085.80/x
  3. Step 3: Cross multiply
    99,642,628.20x = 149,463,942.30 × 88,893,085.80
  4. Step 4: Simplify right side
    99,642,628.20x = 13,286,311,046,880,150
  5. Step 5: Solve for x
    x = 13,286,311,046,880,150/99,642,628.20
  6. Step 6: Final answer
    x = 133,339,628.70

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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.