Home / 358,200,409.93-537,401,391.86-128,202,192.97

Finding the Fourth Proportional to 358,200,409.93, 537,401,391.86 and 128,202,192.97

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Solution

The fourth proportional to 358,200,409.93, 537,401,391.86 and 128,202,192.97 is: 192,339,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,200,409.93 : 537,401,391.86 = 128,202,192.97 : x
  2. Step 2: Convert to fraction form
    358,200,409.93/537,401,391.86 = 128,202,192.97/x
  3. Step 3: Cross multiply
    358,200,409.93x = 537,401,391.86 × 128,202,192.97
  4. Step 4: Simplify right side
    358,200,409.93x = 68,896,036,940,941,296
  5. Step 5: Solve for x
    x = 68,896,036,940,941,296/358,200,409.93
  6. Step 6: Final answer
    x = 192,339,358.17

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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.