Home / 215,485,365.63-323,228,052.74-51,723,122.21

Finding the Fourth Proportional to 215,485,365.63, 323,228,052.74 and 51,723,122.21

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Solution

The fourth proportional to 215,485,365.63, 323,228,052.74 and 51,723,122.21 is: 77,584,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,485,365.63 : 323,228,052.74 = 51,723,122.21 : x
  2. Step 2: Convert to fraction form
    215,485,365.63/323,228,052.74 = 51,723,122.21/x
  3. Step 3: Cross multiply
    215,485,365.63x = 323,228,052.74 × 51,723,122.21
  4. Step 4: Simplify right side
    215,485,365.63x = 16,718,364,074,823,574
  5. Step 5: Solve for x
    x = 16,718,364,074,823,574/215,485,365.63
  6. Step 6: Final answer
    x = 77,584,684.35

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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.