Home / 215,658,499.55-323,487,728.75-51,896,275.79

Finding the Fourth Proportional to 215,658,499.55, 323,487,728.75 and 51,896,275.79

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Solution

The fourth proportional to 215,658,499.55, 323,487,728.75 and 51,896,275.79 is: 77,844,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,658,499.55 : 323,487,728.75 = 51,896,275.79 : x
  2. Step 2: Convert to fraction form
    215,658,499.55/323,487,728.75 = 51,896,275.79/x
  3. Step 3: Cross multiply
    215,658,499.55x = 323,487,728.75 × 51,896,275.79
  4. Step 4: Simplify right side
    215,658,499.55x = 16,787,808,384,403,012
  5. Step 5: Solve for x
    x = 16,787,808,384,403,012/215,658,499.55
  6. Step 6: Final answer
    x = 77,844,408.73

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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.