Home / 221,383,615,655.23-305,509,684,223.10-119,885,676,025.75

Finding the Fourth Proportional to 221,383,615,655.23, 305,509,684,223.10 and 119,885,676,025.75

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Solution

The fourth proportional to 221,383,615,655.23, 305,509,684,223.10 and 119,885,676,025.75 is: 165,442,392,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,383,615,655.23 : 305,509,684,223.10 = 119,885,676,025.75 : x
  2. Step 2: Convert to fraction form
    221,383,615,655.23/305,509,684,223.10 = 119,885,676,025.75/x
  3. Step 3: Cross multiply
    221,383,615,655.23x = 305,509,684,223.10 × 119,885,676,025.75
  4. Step 4: Simplify right side
    221,383,615,655.23x = 36,626,235,025,499,749,351,424
  5. Step 5: Solve for x
    x = 36,626,235,025,499,749,351,424/221,383,615,655.23
  6. Step 6: Final answer
    x = 165,442,392,460.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.