Home / 99,497,249.40-149,245,874.10-30,409,919.40

Finding the Fourth Proportional to 99,497,249.40, 149,245,874.10 and 30,409,919.40

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Solution

The fourth proportional to 99,497,249.40, 149,245,874.10 and 30,409,919.40 is: 45,614,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,497,249.40 : 149,245,874.10 = 30,409,919.40 : x
  2. Step 2: Convert to fraction form
    99,497,249.40/149,245,874.10 = 30,409,919.40/x
  3. Step 3: Cross multiply
    99,497,249.40x = 149,245,874.10 × 30,409,919.40
  4. Step 4: Simplify right side
    99,497,249.40x = 4,538,555,002,163,547
  5. Step 5: Solve for x
    x = 4,538,555,002,163,547/99,497,249.40
  6. Step 6: Final answer
    x = 45,614,879.10

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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.