Home / 105,788,663.20-158,682,994.80-98,135,912.80

Finding the Fourth Proportional to 105,788,663.20, 158,682,994.80 and 98,135,912.80

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Solution

The fourth proportional to 105,788,663.20, 158,682,994.80 and 98,135,912.80 is: 147,203,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,788,663.20 : 158,682,994.80 = 98,135,912.80 : x
  2. Step 2: Convert to fraction form
    105,788,663.20/158,682,994.80 = 98,135,912.80/x
  3. Step 3: Cross multiply
    105,788,663.20x = 158,682,994.80 × 98,135,912.80
  4. Step 4: Simplify right side
    105,788,663.20x = 15,572,500,540,535,654
  5. Step 5: Solve for x
    x = 15,572,500,540,535,654/105,788,663.20
  6. Step 6: Final answer
    x = 147,203,869.20

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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.