Home / 115,893,505,818.80-173,840,258,728.20-112,628,332,314.80

Finding the Fourth Proportional to 115,893,505,818.80, 173,840,258,728.20 and 112,628,332,314.80

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Solution

The fourth proportional to 115,893,505,818.80, 173,840,258,728.20 and 112,628,332,314.80 is: 168,942,498,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,893,505,818.80 : 173,840,258,728.20 = 112,628,332,314.80 : x
  2. Step 2: Convert to fraction form
    115,893,505,818.80/173,840,258,728.20 = 112,628,332,314.80/x
  3. Step 3: Cross multiply
    115,893,505,818.80x = 173,840,258,728.20 × 112,628,332,314.80
  4. Step 4: Simplify right side
    115,893,505,818.80x = 19,579,338,429,730,522,136,576
  5. Step 5: Solve for x
    x = 19,579,338,429,730,522,136,576/115,893,505,818.80
  6. Step 6: Final answer
    x = 168,942,498,472.20

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1.5x scale

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.