Home / 215,221,844.89-322,883,993.85-69,655,406.44

Finding the Fourth Proportional to 215,221,844.89, 322,883,993.85 and 69,655,406.44

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Solution

The fourth proportional to 215,221,844.89, 322,883,993.85 and 69,655,406.44 is: 104,499,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,221,844.89 : 322,883,993.85 = 69,655,406.44 : x
  2. Step 2: Convert to fraction form
    215,221,844.89/322,883,993.85 = 69,655,406.44/x
  3. Step 3: Cross multiply
    215,221,844.89x = 322,883,993.85 × 69,655,406.44
  4. Step 4: Simplify right side
    215,221,844.89x = 22,490,615,824,592,212
  5. Step 5: Solve for x
    x = 22,490,615,824,592,212/215,221,844.89
  6. Step 6: Final answer
    x = 104,499,688.85

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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.