Home / 99,463,624.80-149,215,615.20-31,290,460.80

Finding the Fourth Proportional to 99,463,624.80, 149,215,615.20 and 31,290,460.80

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Solution

The fourth proportional to 99,463,624.80, 149,215,615.20 and 31,290,460.80 is: 46,942,039.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,463,624.80 : 149,215,615.20 = 31,290,460.80 : x
  2. Step 2: Convert to fraction form
    99,463,624.80/149,215,615.20 = 31,290,460.80/x
  3. Step 3: Cross multiply
    99,463,624.80x = 149,215,615.20 × 31,290,460.80
  4. Step 4: Simplify right side
    99,463,624.80x = 4,669,025,358,163,484
  5. Step 5: Solve for x
    x = 4,669,025,358,163,484/99,463,624.80
  6. Step 6: Final answer
    x = 46,942,039.04

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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.