Home / 99,743,259,531.54-137,643,997,007.39-54,017,164,371.81

Finding the Fourth Proportional to 99,743,259,531.54, 137,643,997,007.39 and 54,017,164,371.81

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Solution

The fourth proportional to 99,743,259,531.54, 137,643,997,007.39 and 54,017,164,371.81 is: 74,542,765,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,743,259,531.54 : 137,643,997,007.39 = 54,017,164,371.81 : x
  2. Step 2: Convert to fraction form
    99,743,259,531.54/137,643,997,007.39 = 54,017,164,371.81/x
  3. Step 3: Cross multiply
    99,743,259,531.54x = 137,643,997,007.39 × 54,017,164,371.81
  4. Step 4: Simplify right side
    99,743,259,531.54x = 7,435,138,411,141,110,169,600
  5. Step 5: Solve for x
    x = 7,435,138,411,141,110,169,600/99,743,259,531.54
  6. Step 6: Final answer
    x = 74,542,765,556.90

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1.5x scale

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.