Home / 165,208,315.50-227,987,929.67-90,876,491.17

Finding the Fourth Proportional to 165,208,315.50, 227,987,929.67 and 90,876,491.17

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Solution

The fourth proportional to 165,208,315.50, 227,987,929.67 and 90,876,491.17 is: 125,409,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,208,315.50 : 227,987,929.67 = 90,876,491.17 : x
  2. Step 2: Convert to fraction form
    165,208,315.50/227,987,929.67 = 90,876,491.17/x
  3. Step 3: Cross multiply
    165,208,315.50x = 227,987,929.67 × 90,876,491.17
  4. Step 4: Simplify right side
    165,208,315.50x = 20,718,743,076,497,984
  5. Step 5: Solve for x
    x = 20,718,743,076,497,984/165,208,315.50
  6. Step 6: Final answer
    x = 125,409,807.70

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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.