Home / 57,354,006.80-86,019,054.60-20,979,531.20

Finding the Fourth Proportional to 57,354,006.80, 86,019,054.60 and 20,979,531.20

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Solution

The fourth proportional to 57,354,006.80, 86,019,054.60 and 20,979,531.20 is: 31,464,923.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,354,006.80 : 86,019,054.60 = 20,979,531.20 : x
  2. Step 2: Convert to fraction form
    57,354,006.80/86,019,054.60 = 20,979,531.20/x
  3. Step 3: Cross multiply
    57,354,006.80x = 86,019,054.60 × 20,979,531.20
  4. Step 4: Simplify right side
    57,354,006.80x = 1,804,639,439,775,203.25
  5. Step 5: Solve for x
    x = 1,804,639,439,775,203.25/57,354,006.80
  6. Step 6: Final answer
    x = 31,464,923.56

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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.