Home / 288,113,366.69-397,447,661.09-195,262,120.61

Finding the Fourth Proportional to 288,113,366.69, 397,447,661.09 and 195,262,120.61

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Solution

The fourth proportional to 288,113,366.69, 397,447,661.09 and 195,262,120.61 is: 269,360,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,113,366.69 : 397,447,661.09 = 195,262,120.61 : x
  2. Step 2: Convert to fraction form
    288,113,366.69/397,447,661.09 = 195,262,120.61/x
  3. Step 3: Cross multiply
    288,113,366.69x = 397,447,661.09 × 195,262,120.61
  4. Step 4: Simplify right side
    288,113,366.69x = 77,606,473,134,941,680
  5. Step 5: Solve for x
    x = 77,606,473,134,941,680/288,113,366.69
  6. Step 6: Final answer
    x = 269,360,890.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.