Home / 55,128,084.64-82,691,566.20-14,187,364.60

Finding the Fourth Proportional to 55,128,084.64, 82,691,566.20 and 14,187,364.60

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Solution

The fourth proportional to 55,128,084.64, 82,691,566.20 and 14,187,364.60 is: 21,280,902.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,128,084.64 : 82,691,566.20 = 14,187,364.60 : x
  2. Step 2: Convert to fraction form
    55,128,084.64/82,691,566.20 = 14,187,364.60/x
  3. Step 3: Cross multiply
    55,128,084.64x = 82,691,566.20 × 14,187,364.60
  4. Step 4: Simplify right side
    55,128,084.64x = 1,173,175,399,024,436.50
  5. Step 5: Solve for x
    x = 1,173,175,399,024,436.50/55,128,084.64
  6. Step 6: Final answer
    x = 21,280,902.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.