Home / 146,733,732.20-219,578,051.10-127,772,733.80

Finding the Fourth Proportional to 146,733,732.20, 219,578,051.10 and 127,772,733.80

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Solution

The fourth proportional to 146,733,732.20, 219,578,051.10 and 127,772,733.80 is: 191,204,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,733,732.20 : 219,578,051.10 = 127,772,733.80 : x
  2. Step 2: Convert to fraction form
    146,733,732.20/219,578,051.10 = 127,772,733.80/x
  3. Step 3: Cross multiply
    146,733,732.20x = 219,578,051.10 × 127,772,733.80
  4. Step 4: Simplify right side
    146,733,732.20x = 28,056,087,871,523,096
  5. Step 5: Solve for x
    x = 28,056,087,871,523,096/146,733,732.20
  6. Step 6: Final answer
    x = 191,204,077.28

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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.