Home / 291,230,249.49-436,847,007.24-97,141,131.81

Finding the Fourth Proportional to 291,230,249.49, 436,847,007.24 and 97,141,131.81

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Solution

The fourth proportional to 291,230,249.49, 436,847,007.24 and 97,141,131.81 is: 145,712,242.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,230,249.49 : 436,847,007.24 = 97,141,131.81 : x
  2. Step 2: Convert to fraction form
    291,230,249.49/436,847,007.24 = 97,141,131.81/x
  3. Step 3: Cross multiply
    291,230,249.49x = 436,847,007.24 × 97,141,131.81
  4. Step 4: Simplify right side
    291,230,249.49x = 42,435,812,711,104,864
  5. Step 5: Solve for x
    x = 42,435,812,711,104,864/291,230,249.49
  6. Step 6: Final answer
    x = 145,712,242.41

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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.