Home / 125,188,416,118.40-187,782,624,177.60-112,804,943,273.60

Finding the Fourth Proportional to 125,188,416,118.40, 187,782,624,177.60 and 112,804,943,273.60

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Solution

The fourth proportional to 125,188,416,118.40, 187,782,624,177.60 and 112,804,943,273.60 is: 169,207,414,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,188,416,118.40 : 187,782,624,177.60 = 112,804,943,273.60 : x
  2. Step 2: Convert to fraction form
    125,188,416,118.40/187,782,624,177.60 = 112,804,943,273.60/x
  3. Step 3: Cross multiply
    125,188,416,118.40x = 187,782,624,177.60 × 112,804,943,273.60
  4. Step 4: Simplify right side
    125,188,416,118.40x = 21,182,808,268,121,919,455,232
  5. Step 5: Solve for x
    x = 21,182,808,268,121,919,455,232/125,188,416,118.40
  6. Step 6: Final answer
    x = 169,207,414,910.40

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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.