Home / 208,392,550.64-312,524,848.68-144,109,447.28

Finding the Fourth Proportional to 208,392,550.64, 312,524,848.68 and 144,109,447.28

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Solution

The fourth proportional to 208,392,550.64, 312,524,848.68 and 144,109,447.28 is: 216,119,928.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,392,550.64 : 312,524,848.68 = 144,109,447.28 : x
  2. Step 2: Convert to fraction form
    208,392,550.64/312,524,848.68 = 144,109,447.28/x
  3. Step 3: Cross multiply
    208,392,550.64x = 312,524,848.68 × 144,109,447.28
  4. Step 4: Simplify right side
    208,392,550.64x = 45,037,783,204,540,440
  5. Step 5: Solve for x
    x = 45,037,783,204,540,440/208,392,550.64
  6. Step 6: Final answer
    x = 216,119,928.79

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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.