Home / 288,048,410.24-432,036,170.03-91,313,719.79

Finding the Fourth Proportional to 288,048,410.24, 432,036,170.03 and 91,313,719.79

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Solution

The fourth proportional to 288,048,410.24, 432,036,170.03 and 91,313,719.79 is: 136,959,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,048,410.24 : 432,036,170.03 = 91,313,719.79 : x
  2. Step 2: Convert to fraction form
    288,048,410.24/432,036,170.03 = 91,313,719.79/x
  3. Step 3: Cross multiply
    288,048,410.24x = 432,036,170.03 × 91,313,719.79
  4. Step 4: Simplify right side
    288,048,410.24x = 39,450,829,767,332,320
  5. Step 5: Solve for x
    x = 39,450,829,767,332,320/288,048,410.24
  6. Step 6: Final answer
    x = 136,959,026.21

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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.