Home / 207,261,131.20-310,891,696.80-63,635,300.80

Finding the Fourth Proportional to 207,261,131.20, 310,891,696.80 and 63,635,300.80

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Solution

The fourth proportional to 207,261,131.20, 310,891,696.80 and 63,635,300.80 is: 95,452,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,261,131.20 : 310,891,696.80 = 63,635,300.80 : x
  2. Step 2: Convert to fraction form
    207,261,131.20/310,891,696.80 = 63,635,300.80/x
  3. Step 3: Cross multiply
    207,261,131.20x = 310,891,696.80 × 63,635,300.80
  4. Step 4: Simplify right side
    207,261,131.20x = 19,783,686,642,090,396
  5. Step 5: Solve for x
    x = 19,783,686,642,090,396/207,261,131.20
  6. Step 6: Final answer
    x = 95,452,951.20

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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.