Home / 104,976,115.60-157,464,173.40-72,619,013.20

Finding the Fourth Proportional to 104,976,115.60, 157,464,173.40 and 72,619,013.20

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Solution

The fourth proportional to 104,976,115.60, 157,464,173.40 and 72,619,013.20 is: 108,928,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,115.60 : 157,464,173.40 = 72,619,013.20 : x
  2. Step 2: Convert to fraction form
    104,976,115.60/157,464,173.40 = 72,619,013.20/x
  3. Step 3: Cross multiply
    104,976,115.60x = 157,464,173.40 × 72,619,013.20
  4. Step 4: Simplify right side
    104,976,115.60x = 11,434,892,886,661,690
  5. Step 5: Solve for x
    x = 11,434,892,886,661,690/104,976,115.60
  6. Step 6: Final answer
    x = 108,928,519.80

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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.