Home / 91,631,011.68-126,447,542.64-50,377,603.68

Finding the Fourth Proportional to 91,631,011.68, 126,447,542.64 and 50,377,603.68

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Solution

The fourth proportional to 91,631,011.68, 126,447,542.64 and 50,377,603.68 is: 69,519,304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,631,011.68 : 126,447,542.64 = 50,377,603.68 : x
  2. Step 2: Convert to fraction form
    91,631,011.68/126,447,542.64 = 50,377,603.68/x
  3. Step 3: Cross multiply
    91,631,011.68x = 126,447,542.64 × 50,377,603.68
  4. Step 4: Simplify right side
    91,631,011.68x = 6,370,124,189,427,821
  5. Step 5: Solve for x
    x = 6,370,124,189,427,821/91,631,011.68
  6. Step 6: Final answer
    x = 69,519,304.36

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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.