Home / 107,506,819.20-161,260,228.80-105,715,228.80

Finding the Fourth Proportional to 107,506,819.20, 161,260,228.80 and 105,715,228.80

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Solution

The fourth proportional to 107,506,819.20, 161,260,228.80 and 105,715,228.80 is: 158,572,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,506,819.20 : 161,260,228.80 = 105,715,228.80 : x
  2. Step 2: Convert to fraction form
    107,506,819.20/161,260,228.80 = 105,715,228.80/x
  3. Step 3: Cross multiply
    107,506,819.20x = 161,260,228.80 × 105,715,228.80
  4. Step 4: Simplify right side
    107,506,819.20x = 17,047,661,983,932,350
  5. Step 5: Solve for x
    x = 17,047,661,983,932,350/107,506,819.20
  6. Step 6: Final answer
    x = 158,572,843.20

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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.