Home / 85,468,769.75-117,947,006.48-46,310,515.61

Finding the Fourth Proportional to 85,468,769.75, 117,947,006.48 and 46,310,515.61

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Solution

The fourth proportional to 85,468,769.75, 117,947,006.48 and 46,310,515.61 is: 63,908,568.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,468,769.75 : 117,947,006.48 = 46,310,515.61 : x
  2. Step 2: Convert to fraction form
    85,468,769.75/117,947,006.48 = 46,310,515.61/x
  3. Step 3: Cross multiply
    85,468,769.75x = 117,947,006.48 × 46,310,515.61
  4. Step 4: Simplify right side
    85,468,769.75x = 5,462,186,683,923,523
  5. Step 5: Solve for x
    x = 5,462,186,683,923,523/85,468,769.75
  6. Step 6: Final answer
    x = 63,908,568.01

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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.