Home / 138,504,544.56-191,136,457.56-75,786,534.96

Finding the Fourth Proportional to 138,504,544.56, 191,136,457.56 and 75,786,534.96

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Solution

The fourth proportional to 138,504,544.56, 191,136,457.56 and 75,786,534.96 is: 104,585,520.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,504,544.56 : 191,136,457.56 = 75,786,534.96 : x
  2. Step 2: Convert to fraction form
    138,504,544.56/191,136,457.56 = 75,786,534.96/x
  3. Step 3: Cross multiply
    138,504,544.56x = 191,136,457.56 × 75,786,534.96
  4. Step 4: Simplify right side
    138,504,544.56x = 14,485,569,823,001,496
  5. Step 5: Solve for x
    x = 14,485,569,823,001,496/138,504,544.56
  6. Step 6: Final answer
    x = 104,585,520.06

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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.