Home / 100,642,525.47-150,946,971.53-27,866,662.83

Finding the Fourth Proportional to 100,642,525.47, 150,946,971.53 and 27,866,662.83

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Solution

The fourth proportional to 100,642,525.47, 150,946,971.53 and 27,866,662.83 is: 41,795,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,642,525.47 : 150,946,971.53 = 27,866,662.83 : x
  2. Step 2: Convert to fraction form
    100,642,525.47/150,946,971.53 = 27,866,662.83/x
  3. Step 3: Cross multiply
    100,642,525.47x = 150,946,971.53 × 27,866,662.83
  4. Step 4: Simplify right side
    100,642,525.47x = 4,206,388,360,696,786
  5. Step 5: Solve for x
    x = 4,206,388,360,696,786/100,642,525.47
  6. Step 6: Final answer
    x = 41,795,337.92

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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.