Home / 68,717,355.94-103,076,053.03-20,195,207.07

Finding the Fourth Proportional to 68,717,355.94, 103,076,053.03 and 20,195,207.07

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Solution

The fourth proportional to 68,717,355.94, 103,076,053.03 and 20,195,207.07 is: 30,292,816.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,717,355.94 : 103,076,053.03 = 20,195,207.07 : x
  2. Step 2: Convert to fraction form
    68,717,355.94/103,076,053.03 = 20,195,207.07/x
  3. Step 3: Cross multiply
    68,717,355.94x = 103,076,053.03 × 20,195,207.07
  4. Step 4: Simplify right side
    68,717,355.94x = 2,081,642,234,537,859.75
  5. Step 5: Solve for x
    x = 2,081,642,234,537,859.75/68,717,355.94
  6. Step 6: Final answer
    x = 30,292,816.22

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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.