Home / 105,525,505,452.80-158,288,258,179.20-74,118,617,811.20

Finding the Fourth Proportional to 105,525,505,452.80, 158,288,258,179.20 and 74,118,617,811.20

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Solution

The fourth proportional to 105,525,505,452.80, 158,288,258,179.20 and 74,118,617,811.20 is: 111,177,926,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,525,505,452.80 : 158,288,258,179.20 = 74,118,617,811.20 : x
  2. Step 2: Convert to fraction form
    105,525,505,452.80/158,288,258,179.20 = 74,118,617,811.20/x
  3. Step 3: Cross multiply
    105,525,505,452.80x = 158,288,258,179.20 × 74,118,617,811.20
  4. Step 4: Simplify right side
    105,525,505,452.80x = 11,732,106,911,984,677,552,128
  5. Step 5: Solve for x
    x = 11,732,106,911,984,677,552,128/105,525,505,452.80
  6. Step 6: Final answer
    x = 111,177,926,716.80

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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.