Home / 278,150,612.58-417,215,623.41-112,225,875.30

Finding the Fourth Proportional to 278,150,612.58, 417,215,623.41 and 112,225,875.30

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Solution

The fourth proportional to 278,150,612.58, 417,215,623.41 and 112,225,875.30 is: 168,334,659.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,150,612.58 : 417,215,623.41 = 112,225,875.30 : x
  2. Step 2: Convert to fraction form
    278,150,612.58/417,215,623.41 = 112,225,875.30/x
  3. Step 3: Cross multiply
    278,150,612.58x = 417,215,623.41 × 112,225,875.30
  4. Step 4: Simplify right side
    278,150,612.58x = 46,822,388,526,022,424
  5. Step 5: Solve for x
    x = 46,822,388,526,022,424/278,150,612.58
  6. Step 6: Final answer
    x = 168,334,659.02

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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.