Home / 85,667,648.74-118,107,172.89-68,085,262.24

Finding the Fourth Proportional to 85,667,648.74, 118,107,172.89 and 68,085,262.24

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Solution

The fourth proportional to 85,667,648.74, 118,107,172.89 and 68,085,262.24 is: 93,866,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,667,648.74 : 118,107,172.89 = 68,085,262.24 : x
  2. Step 2: Convert to fraction form
    85,667,648.74/118,107,172.89 = 68,085,262.24/x
  3. Step 3: Cross multiply
    85,667,648.74x = 118,107,172.89 × 68,085,262.24
  4. Step 4: Simplify right side
    85,667,648.74x = 8,041,357,838,640,668
  5. Step 5: Solve for x
    x = 8,041,357,838,640,668/85,667,648.74
  6. Step 6: Final answer
    x = 93,866,914.25

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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.