Home / 187,144,412.40-280,735,378.20-64,306,551.60

Finding the Fourth Proportional to 187,144,412.40, 280,735,378.20 and 64,306,551.60

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Solution

The fourth proportional to 187,144,412.40, 280,735,378.20 and 64,306,551.60 is: 96,466,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,144,412.40 : 280,735,378.20 = 64,306,551.60 : x
  2. Step 2: Convert to fraction form
    187,144,412.40/280,735,378.20 = 64,306,551.60/x
  3. Step 3: Cross multiply
    187,144,412.40x = 280,735,378.20 × 64,306,551.60
  4. Step 4: Simplify right side
    187,144,412.40x = 18,053,124,084,163,816
  5. Step 5: Solve for x
    x = 18,053,124,084,163,816/187,144,412.40
  6. Step 6: Final answer
    x = 96,466,273.57

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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.