Home / 57,209,420.97-85,816,775.30-18,874,285.29

Finding the Fourth Proportional to 57,209,420.97, 85,816,775.30 and 18,874,285.29

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Solution

The fourth proportional to 57,209,420.97, 85,816,775.30 and 18,874,285.29 is: 28,312,300.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,209,420.97 : 85,816,775.30 = 18,874,285.29 : x
  2. Step 2: Convert to fraction form
    57,209,420.97/85,816,775.30 = 18,874,285.29/x
  3. Step 3: Cross multiply
    57,209,420.97x = 85,816,775.30 × 18,874,285.29
  4. Step 4: Simplify right side
    57,209,420.97x = 1,619,730,299,585,653.75
  5. Step 5: Solve for x
    x = 1,619,730,299,585,653.75/57,209,420.97
  6. Step 6: Final answer
    x = 28,312,300.18

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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.