Home / 91,257,142-125,934,855.36-50,003,148.64

Finding the Fourth Proportional to 91,257,142, 125,934,855.36 and 50,003,148.64

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Solution

The fourth proportional to 91,257,142, 125,934,855.36 and 50,003,148.64 is: 69,004,344.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,257,142 : 125,934,855.36 = 50,003,148.64 : x
  2. Step 2: Convert to fraction form
    91,257,142/125,934,855.36 = 50,003,148.64/x
  3. Step 3: Cross multiply
    91,257,142x = 125,934,855.36 × 50,003,148.64
  4. Step 4: Simplify right side
    91,257,142x = 6,297,139,291,522,981
  5. Step 5: Solve for x
    x = 6,297,139,291,522,981/91,257,142
  6. Step 6: Final answer
    x = 69,004,344.79

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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.