Home / 104,976,114.60-157,464,171.90-72,619,012.20

Finding the Fourth Proportional to 104,976,114.60, 157,464,171.90 and 72,619,012.20

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Solution

The fourth proportional to 104,976,114.60, 157,464,171.90 and 72,619,012.20 is: 108,928,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,114.60 : 157,464,171.90 = 72,619,012.20 : x
  2. Step 2: Convert to fraction form
    104,976,114.60/157,464,171.90 = 72,619,012.20/x
  3. Step 3: Cross multiply
    104,976,114.60x = 157,464,171.90 × 72,619,012.20
  4. Step 4: Simplify right side
    104,976,114.60x = 11,434,892,620,268,998
  5. Step 5: Solve for x
    x = 11,434,892,620,268,998/104,976,114.60
  6. Step 6: Final answer
    x = 108,928,518.30

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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.