Home / 69,899,574.79-104,849,306.80-18,781,593.60

Finding the Fourth Proportional to 69,899,574.79, 104,849,306.80 and 18,781,593.60

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Solution

The fourth proportional to 69,899,574.79, 104,849,306.80 and 18,781,593.60 is: 28,172,375.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,899,574.79 : 104,849,306.80 = 18,781,593.60 : x
  2. Step 2: Convert to fraction form
    69,899,574.79/104,849,306.80 = 18,781,593.60/x
  3. Step 3: Cross multiply
    69,899,574.79x = 104,849,306.80 × 18,781,593.60
  4. Step 4: Simplify right side
    69,899,574.79x = 1,969,237,069,512,362.75
  5. Step 5: Solve for x
    x = 1,969,237,069,512,362.75/69,899,574.79
  6. Step 6: Final answer
    x = 28,172,375.52

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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.