Home / 148,637,220.92-223,028,873.94-66,813,911

Finding the Fourth Proportional to 148,637,220.92, 223,028,873.94 and 66,813,911

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Solution

The fourth proportional to 148,637,220.92, 223,028,873.94 and 66,813,911 is: 100,253,699.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,637,220.92 : 223,028,873.94 = 66,813,911 : x
  2. Step 2: Convert to fraction form
    148,637,220.92/223,028,873.94 = 66,813,911/x
  3. Step 3: Cross multiply
    148,637,220.92x = 223,028,873.94 × 66,813,911
  4. Step 4: Simplify right side
    148,637,220.92x = 14,901,431,333,857,380
  5. Step 5: Solve for x
    x = 14,901,431,333,857,380/148,637,220.92
  6. Step 6: Final answer
    x = 100,253,699.86

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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.