Home / 187,241,019.60-280,862,404.20-66,072,471.60

Finding the Fourth Proportional to 187,241,019.60, 280,862,404.20 and 66,072,471.60

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Solution

The fourth proportional to 187,241,019.60, 280,862,404.20 and 66,072,471.60 is: 99,109,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,241,019.60 : 280,862,404.20 = 66,072,471.60 : x
  2. Step 2: Convert to fraction form
    187,241,019.60/280,862,404.20 = 66,072,471.60/x
  3. Step 3: Cross multiply
    187,241,019.60x = 280,862,404.20 × 66,072,471.60
  4. Step 4: Simplify right side
    187,241,019.60x = 18,557,273,225,012,220
  5. Step 5: Solve for x
    x = 18,557,273,225,012,220/187,241,019.60
  6. Step 6: Final answer
    x = 99,109,016.09

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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.