Home / 100,764,227,290.40-139,053,807,119.77-55,038,531,843.80

Finding the Fourth Proportional to 100,764,227,290.40, 139,053,807,119.77 and 55,038,531,843.80

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Solution

The fourth proportional to 100,764,227,290.40, 139,053,807,119.77 and 55,038,531,843.80 is: 75,952,722,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,764,227,290.40 : 139,053,807,119.77 = 55,038,531,843.80 : x
  2. Step 2: Convert to fraction form
    100,764,227,290.40/139,053,807,119.77 = 55,038,531,843.80/x
  3. Step 3: Cross multiply
    100,764,227,290.40x = 139,053,807,119.77 × 55,038,531,843.80
  4. Step 4: Simplify right side
    100,764,227,290.40x = 7,653,317,391,162,387,988,480
  5. Step 5: Solve for x
    x = 7,653,317,391,162,387,988,480/100,764,227,290.40
  6. Step 6: Final answer
    x = 75,952,722,478.64

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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.