Home / 148,820,039.78-205,383,158.70-89,283,566.66

Finding the Fourth Proportional to 148,820,039.78, 205,383,158.70 and 89,283,566.66

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Solution

The fourth proportional to 148,820,039.78, 205,383,158.70 and 89,283,566.66 is: 123,218,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,820,039.78 : 205,383,158.70 = 89,283,566.66 : x
  2. Step 2: Convert to fraction form
    148,820,039.78/205,383,158.70 = 89,283,566.66/x
  3. Step 3: Cross multiply
    148,820,039.78x = 205,383,158.70 × 89,283,566.66
  4. Step 4: Simplify right side
    148,820,039.78x = 18,337,340,940,632,808
  5. Step 5: Solve for x
    x = 18,337,340,940,632,808/148,820,039.78
  6. Step 6: Final answer
    x = 123,218,223.62

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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.