Home / 209,628,170.80-314,725,691.40-133,100,666.80

Finding the Fourth Proportional to 209,628,170.80, 314,725,691.40 and 133,100,666.80

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Solution

The fourth proportional to 209,628,170.80, 314,725,691.40 and 133,100,666.80 is: 199,830,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,628,170.80 : 314,725,691.40 = 133,100,666.80 : x
  2. Step 2: Convert to fraction form
    209,628,170.80/314,725,691.40 = 133,100,666.80/x
  3. Step 3: Cross multiply
    209,628,170.80x = 314,725,691.40 × 133,100,666.80
  4. Step 4: Simplify right side
    209,628,170.80x = 41,890,199,384,431,024
  5. Step 5: Solve for x
    x = 41,890,199,384,431,024/209,628,170.80
  6. Step 6: Final answer
    x = 199,830,963.68

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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.