Home / 187,144,304.40-280,735,216.20-64,306,443.60

Finding the Fourth Proportional to 187,144,304.40, 280,735,216.20 and 64,306,443.60

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Solution

The fourth proportional to 187,144,304.40, 280,735,216.20 and 64,306,443.60 is: 96,466,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,144,304.40 : 280,735,216.20 = 64,306,443.60 : x
  2. Step 2: Convert to fraction form
    187,144,304.40/280,735,216.20 = 64,306,443.60/x
  3. Step 3: Cross multiply
    187,144,304.40x = 280,735,216.20 × 64,306,443.60
  4. Step 4: Simplify right side
    187,144,304.40x = 18,053,083,347,099,104
  5. Step 5: Solve for x
    x = 18,053,083,347,099,104/187,144,304.40
  6. Step 6: Final answer
    x = 96,466,111.57

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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.