Home / 55,186,080.78-82,791,942.39-18,794,787.06

Finding the Fourth Proportional to 55,186,080.78, 82,791,942.39 and 18,794,787.06

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Solution

The fourth proportional to 55,186,080.78, 82,791,942.39 and 18,794,787.06 is: 28,196,547.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,186,080.78 : 82,791,942.39 = 18,794,787.06 : x
  2. Step 2: Convert to fraction form
    55,186,080.78/82,791,942.39 = 18,794,787.06/x
  3. Step 3: Cross multiply
    55,186,080.78x = 82,791,942.39 × 18,794,787.06
  4. Step 4: Simplify right side
    55,186,080.78x = 1,556,056,927,503,837.25
  5. Step 5: Solve for x
    x = 1,556,056,927,503,837.25/55,186,080.78
  6. Step 6: Final answer
    x = 28,196,547.13

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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.