Home / 147,711,020.28-203,841,840.42-80,731,331.34

Finding the Fourth Proportional to 147,711,020.28, 203,841,840.42 and 80,731,331.34

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Solution

The fourth proportional to 147,711,020.28, 203,841,840.42 and 80,731,331.34 is: 111,409,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,711,020.28 : 203,841,840.42 = 80,731,331.34 : x
  2. Step 2: Convert to fraction form
    147,711,020.28/203,841,840.42 = 80,731,331.34/x
  3. Step 3: Cross multiply
    147,711,020.28x = 203,841,840.42 × 80,731,331.34
  4. Step 4: Simplify right side
    147,711,020.28x = 16,456,423,159,902,424
  5. Step 5: Solve for x
    x = 16,456,423,159,902,424/147,711,020.28
  6. Step 6: Final answer
    x = 111,409,582.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.