Home / 98,051,769.60-146,812,233.60-76,818,105.60

Finding the Fourth Proportional to 98,051,769.60, 146,812,233.60 and 76,818,105.60

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Solution

The fourth proportional to 98,051,769.60, 146,812,233.60 and 76,818,105.60 is: 115,019,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,051,769.60 : 146,812,233.60 = 76,818,105.60 : x
  2. Step 2: Convert to fraction form
    98,051,769.60/146,812,233.60 = 76,818,105.60/x
  3. Step 3: Cross multiply
    98,051,769.60x = 146,812,233.60 × 76,818,105.60
  4. Step 4: Simplify right side
    98,051,769.60x = 11,277,837,664,056,666
  5. Step 5: Solve for x
    x = 11,277,837,664,056,666/98,051,769.60
  6. Step 6: Final answer
    x = 115,019,215.97

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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.