Home / 105,192,406.70-157,788,610.05-101,161,328.30

Finding the Fourth Proportional to 105,192,406.70, 157,788,610.05 and 101,161,328.30

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Solution

The fourth proportional to 105,192,406.70, 157,788,610.05 and 101,161,328.30 is: 151,741,992.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,192,406.70 : 157,788,610.05 = 101,161,328.30 : x
  2. Step 2: Convert to fraction form
    105,192,406.70/157,788,610.05 = 101,161,328.30/x
  3. Step 3: Cross multiply
    105,192,406.70x = 157,788,610.05 × 101,161,328.30
  4. Step 4: Simplify right side
    105,192,406.70x = 15,962,105,383,268,730
  5. Step 5: Solve for x
    x = 15,962,105,383,268,730/105,192,406.70
  6. Step 6: Final answer
    x = 151,741,992.45

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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.