Home / 91,412,935.66-137,038,688.76-69,943,383.56

Finding the Fourth Proportional to 91,412,935.66, 137,038,688.76 and 69,943,383.56

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Solution

The fourth proportional to 91,412,935.66, 137,038,688.76 and 69,943,383.56 is: 104,853,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,412,935.66 : 137,038,688.76 = 69,943,383.56 : x
  2. Step 2: Convert to fraction form
    91,412,935.66/137,038,688.76 = 69,943,383.56/x
  3. Step 3: Cross multiply
    91,412,935.66x = 137,038,688.76 × 69,943,383.56
  4. Step 4: Simplify right side
    91,412,935.66x = 9,584,949,571,105,024
  5. Step 5: Solve for x
    x = 9,584,949,571,105,024/91,412,935.66
  6. Step 6: Final answer
    x = 104,853,317.55

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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.