Home / 91,346,347.89-126,057,823.79-49,530,337.25

Finding the Fourth Proportional to 91,346,347.89, 126,057,823.79 and 49,530,337.25

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Solution

The fourth proportional to 91,346,347.89, 126,057,823.79 and 49,530,337.25 is: 68,351,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,346,347.89 : 126,057,823.79 = 49,530,337.25 : x
  2. Step 2: Convert to fraction form
    91,346,347.89/126,057,823.79 = 49,530,337.25/x
  3. Step 3: Cross multiply
    91,346,347.89x = 126,057,823.79 × 49,530,337.25
  4. Step 4: Simplify right side
    91,346,347.89x = 6,243,686,524,880,803
  5. Step 5: Solve for x
    x = 6,243,686,524,880,803/91,346,347.89
  6. Step 6: Final answer
    x = 68,351,791.49

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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.