Home / 91,797,028.09-126,683,007.90-49,982,715.07

Finding the Fourth Proportional to 91,797,028.09, 126,683,007.90 and 49,982,715.07

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Solution

The fourth proportional to 91,797,028.09, 126,683,007.90 and 49,982,715.07 is: 68,977,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,797,028.09 : 126,683,007.90 = 49,982,715.07 : x
  2. Step 2: Convert to fraction form
    91,797,028.09/126,683,007.90 = 49,982,715.07/x
  3. Step 3: Cross multiply
    91,797,028.09x = 126,683,007.90 × 49,982,715.07
  4. Step 4: Simplify right side
    91,797,028.09x = 6,331,960,688,076,259
  5. Step 5: Solve for x
    x = 6,331,960,688,076,259/91,797,028.09
  6. Step 6: Final answer
    x = 68,977,839.70

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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.