Home / 206,969,999.38-310,670,331.19-152,444,152.78

Finding the Fourth Proportional to 206,969,999.38, 310,670,331.19 and 152,444,152.78

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Solution

The fourth proportional to 206,969,999.38, 310,670,331.19 and 152,444,152.78 is: 228,824,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,969,999.38 : 310,670,331.19 = 152,444,152.78 : x
  2. Step 2: Convert to fraction form
    206,969,999.38/310,670,331.19 = 152,444,152.78/x
  3. Step 3: Cross multiply
    206,969,999.38x = 310,670,331.19 × 152,444,152.78
  4. Step 4: Simplify right side
    206,969,999.38x = 47,359,875,430,983,776
  5. Step 5: Solve for x
    x = 47,359,875,430,983,776/206,969,999.38
  6. Step 6: Final answer
    x = 228,824,832.46

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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.