Home / 107,814,400.80-161,721,601.20-104,980,048.80

Finding the Fourth Proportional to 107,814,400.80, 161,721,601.20 and 104,980,048.80

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Solution

The fourth proportional to 107,814,400.80, 161,721,601.20 and 104,980,048.80 is: 157,470,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,814,400.80 : 161,721,601.20 = 104,980,048.80 : x
  2. Step 2: Convert to fraction form
    107,814,400.80/161,721,601.20 = 104,980,048.80/x
  3. Step 3: Cross multiply
    107,814,400.80x = 161,721,601.20 × 104,980,048.80
  4. Step 4: Simplify right side
    107,814,400.80x = 16,977,541,585,990,136
  5. Step 5: Solve for x
    x = 16,977,541,585,990,136/107,814,400.80
  6. Step 6: Final answer
    x = 157,470,073.20

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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.