Home / 57,069,179.25-85,585,786.52-18,721,757.49

Finding the Fourth Proportional to 57,069,179.25, 85,585,786.52 and 18,721,757.49

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Solution

The fourth proportional to 57,069,179.25, 85,585,786.52 and 18,721,757.49 is: 28,076,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,069,179.25 : 85,585,786.52 = 18,721,757.49 : x
  2. Step 2: Convert to fraction form
    57,069,179.25/85,585,786.52 = 18,721,757.49/x
  3. Step 3: Cross multiply
    57,069,179.25x = 85,585,786.52 × 18,721,757.49
  4. Step 4: Simplify right side
    57,069,179.25x = 1,602,316,339,724,742
  5. Step 5: Solve for x
    x = 1,602,316,339,724,742/57,069,179.25
  6. Step 6: Final answer
    x = 28,076,737.05

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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.