Home / 77,678,383.56-116,424,916.99-36,123,164.18

Finding the Fourth Proportional to 77,678,383.56, 116,424,916.99 and 36,123,164.18

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Solution

The fourth proportional to 77,678,383.56, 116,424,916.99 and 36,123,164.18 is: 54,141,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,678,383.56 : 116,424,916.99 = 36,123,164.18 : x
  2. Step 2: Convert to fraction form
    77,678,383.56/116,424,916.99 = 36,123,164.18/x
  3. Step 3: Cross multiply
    77,678,383.56x = 116,424,916.99 × 36,123,164.18
  4. Step 4: Simplify right side
    77,678,383.56x = 4,205,636,391,072,641
  5. Step 5: Solve for x
    x = 4,205,636,391,072,641/77,678,383.56
  6. Step 6: Final answer
    x = 54,141,656.90

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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.