Home / 105,192,271.20-157,788,406.80-101,161,192.80

Finding the Fourth Proportional to 105,192,271.20, 157,788,406.80 and 101,161,192.80

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Solution

The fourth proportional to 105,192,271.20, 157,788,406.80 and 101,161,192.80 is: 151,741,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,192,271.20 : 157,788,406.80 = 101,161,192.80 : x
  2. Step 2: Convert to fraction form
    105,192,271.20/157,788,406.80 = 101,161,192.80/x
  3. Step 3: Cross multiply
    105,192,271.20x = 157,788,406.80 × 101,161,192.80
  4. Step 4: Simplify right side
    105,192,271.20x = 15,962,063,441,899,632
  5. Step 5: Solve for x
    x = 15,962,063,441,899,632/105,192,271.20
  6. Step 6: Final answer
    x = 151,741,789.20

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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.