Home / 103,705,728.36-143,115,406.02-57,297,049.80

Finding the Fourth Proportional to 103,705,728.36, 143,115,406.02 and 57,297,049.80

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Solution

The fourth proportional to 103,705,728.36, 143,115,406.02 and 57,297,049.80 is: 79,070,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,705,728.36 : 143,115,406.02 = 57,297,049.80 : x
  2. Step 2: Convert to fraction form
    103,705,728.36/143,115,406.02 = 57,297,049.80/x
  3. Step 3: Cross multiply
    103,705,728.36x = 143,115,406.02 × 57,297,049.80
  4. Step 4: Simplify right side
    103,705,728.36x = 8,200,090,545,875,160
  5. Step 5: Solve for x
    x = 8,200,090,545,875,160/103,705,728.36
  6. Step 6: Final answer
    x = 79,070,757.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.