Home / 55,147,272.40-82,720,908.60-36,653,125.60

Finding the Fourth Proportional to 55,147,272.40, 82,720,908.60 and 36,653,125.60

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Solution

The fourth proportional to 55,147,272.40, 82,720,908.60 and 36,653,125.60 is: 54,979,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,147,272.40 : 82,720,908.60 = 36,653,125.60 : x
  2. Step 2: Convert to fraction form
    55,147,272.40/82,720,908.60 = 36,653,125.60/x
  3. Step 3: Cross multiply
    55,147,272.40x = 82,720,908.60 × 36,653,125.60
  4. Step 4: Simplify right side
    55,147,272.40x = 3,031,979,852,661,920
  5. Step 5: Solve for x
    x = 3,031,979,852,661,920/55,147,272.40
  6. Step 6: Final answer
    x = 54,979,688.40

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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.