Home / 115,440,338.84-173,436,755.38-74,022,362.39

Finding the Fourth Proportional to 115,440,338.84, 173,436,755.38 and 74,022,362.39

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Solution

The fourth proportional to 115,440,338.84, 173,436,755.38 and 74,022,362.39 is: 111,210,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,440,338.84 : 173,436,755.38 = 74,022,362.39 : x
  2. Step 2: Convert to fraction form
    115,440,338.84/173,436,755.38 = 74,022,362.39/x
  3. Step 3: Cross multiply
    115,440,338.84x = 173,436,755.38 × 74,022,362.39
  4. Step 4: Simplify right side
    115,440,338.84x = 12,838,198,358,732,678
  5. Step 5: Solve for x
    x = 12,838,198,358,732,678/115,440,338.84
  6. Step 6: Final answer
    x = 111,210,678.07

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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.