Home / 77,678,382.56-116,424,915.49-36,123,163.18

Finding the Fourth Proportional to 77,678,382.56, 116,424,915.49 and 36,123,163.18

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Solution

The fourth proportional to 77,678,382.56, 116,424,915.49 and 36,123,163.18 is: 54,141,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,678,382.56 : 116,424,915.49 = 36,123,163.18 : x
  2. Step 2: Convert to fraction form
    77,678,382.56/116,424,915.49 = 36,123,163.18/x
  3. Step 3: Cross multiply
    77,678,382.56x = 116,424,915.49 × 36,123,163.18
  4. Step 4: Simplify right side
    77,678,382.56x = 4,205,636,221,032,934.50
  5. Step 5: Solve for x
    x = 4,205,636,221,032,934.50/77,678,382.56
  6. Step 6: Final answer
    x = 54,141,655.40

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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.