Home / 87,239,953.66-120,395,870.52-50,069,936.76

Finding the Fourth Proportional to 87,239,953.66, 120,395,870.52 and 50,069,936.76

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Solution

The fourth proportional to 87,239,953.66, 120,395,870.52 and 50,069,936.76 is: 69,099,230.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,239,953.66 : 120,395,870.52 = 50,069,936.76 : x
  2. Step 2: Convert to fraction form
    87,239,953.66/120,395,870.52 = 50,069,936.76/x
  3. Step 3: Cross multiply
    87,239,953.66x = 120,395,870.52 × 50,069,936.76
  4. Step 4: Simplify right side
    87,239,953.66x = 6,028,213,623,101,548
  5. Step 5: Solve for x
    x = 6,028,213,623,101,548/87,239,953.66
  6. Step 6: Final answer
    x = 69,099,230.00

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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.