Home / 137,889,084.48-190,285,647.84-75,165,172.80

Finding the Fourth Proportional to 137,889,084.48, 190,285,647.84 and 75,165,172.80

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Solution

The fourth proportional to 137,889,084.48, 190,285,647.84 and 75,165,172.80 is: 103,727,235.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,889,084.48 : 190,285,647.84 = 75,165,172.80 : x
  2. Step 2: Convert to fraction form
    137,889,084.48/190,285,647.84 = 75,165,172.80/x
  3. Step 3: Cross multiply
    137,889,084.48x = 190,285,647.84 × 75,165,172.80
  4. Step 4: Simplify right side
    137,889,084.48x = 14,302,853,601,253,546
  5. Step 5: Solve for x
    x = 14,302,853,601,253,546/137,889,084.48
  6. Step 6: Final answer
    x = 103,727,235.95

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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.