Home / 148,021,763.94-204,272,453.25-81,039,604.86

Finding the Fourth Proportional to 148,021,763.94, 204,272,453.25 and 81,039,604.86

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Solution

The fourth proportional to 148,021,763.94, 204,272,453.25 and 81,039,604.86 is: 111,835,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,021,763.94 : 204,272,453.25 = 81,039,604.86 : x
  2. Step 2: Convert to fraction form
    148,021,763.94/204,272,453.25 = 81,039,604.86/x
  3. Step 3: Cross multiply
    148,021,763.94x = 204,272,453.25 × 81,039,604.86
  4. Step 4: Simplify right side
    148,021,763.94x = 16,554,158,895,162,822
  5. Step 5: Solve for x
    x = 16,554,158,895,162,822/148,021,763.94
  6. Step 6: Final answer
    x = 111,835,979.08

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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.