Home / 105,192,400.20-157,788,600.30-101,161,321.80

Finding the Fourth Proportional to 105,192,400.20, 157,788,600.30 and 101,161,321.80

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Solution

The fourth proportional to 105,192,400.20, 157,788,600.30 and 101,161,321.80 is: 151,741,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,192,400.20 : 157,788,600.30 = 101,161,321.80 : x
  2. Step 2: Convert to fraction form
    105,192,400.20/157,788,600.30 = 101,161,321.80/x
  3. Step 3: Cross multiply
    105,192,400.20x = 157,788,600.30 × 101,161,321.80
  4. Step 4: Simplify right side
    105,192,400.20x = 15,962,103,371,319,878
  5. Step 5: Solve for x
    x = 15,962,103,371,319,878/105,192,400.20
  6. Step 6: Final answer
    x = 151,741,982.70

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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.