Home / 55,080,902.40-82,621,353.60-19,179,110.40

Finding the Fourth Proportional to 55,080,902.40, 82,621,353.60 and 19,179,110.40

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Solution

The fourth proportional to 55,080,902.40, 82,621,353.60 and 19,179,110.40 is: 28,768,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,080,902.40 : 82,621,353.60 = 19,179,110.40 : x
  2. Step 2: Convert to fraction form
    55,080,902.40/82,621,353.60 = 19,179,110.40/x
  3. Step 3: Cross multiply
    55,080,902.40x = 82,621,353.60 × 19,179,110.40
  4. Step 4: Simplify right side
    55,080,902.40x = 1,584,604,062,091,837.25
  5. Step 5: Solve for x
    x = 1,584,604,062,091,837.25/55,080,902.40
  6. Step 6: Final answer
    x = 28,768,665.60

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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.