Home / 187,151,505.40-280,746,017.70-64,313,644.60

Finding the Fourth Proportional to 187,151,505.40, 280,746,017.70 and 64,313,644.60

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Solution

The fourth proportional to 187,151,505.40, 280,746,017.70 and 64,313,644.60 is: 96,476,913.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,151,505.40 : 280,746,017.70 = 64,313,644.60 : x
  2. Step 2: Convert to fraction form
    187,151,505.40/280,746,017.70 = 64,313,644.60/x
  3. Step 3: Cross multiply
    187,151,505.40x = 280,746,017.70 × 64,313,644.60
  4. Step 4: Simplify right side
    187,151,505.40x = 18,055,799,605,223,108
  5. Step 5: Solve for x
    x = 18,055,799,605,223,108/187,151,505.40
  6. Step 6: Final answer
    x = 96,476,913.54

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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.