Home / 303,377,272.32-418,657,651.20-164,144,977.92

Finding the Fourth Proportional to 303,377,272.32, 418,657,651.20 and 164,144,977.92

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Solution

The fourth proportional to 303,377,272.32, 418,657,651.20 and 164,144,977.92 is: 226,518,454.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,377,272.32 : 418,657,651.20 = 164,144,977.92 : x
  2. Step 2: Convert to fraction form
    303,377,272.32/418,657,651.20 = 164,144,977.92/x
  3. Step 3: Cross multiply
    303,377,272.32x = 418,657,651.20 × 164,144,977.92
  4. Step 4: Simplify right side
    303,377,272.32x = 68,720,550,912,263,056
  5. Step 5: Solve for x
    x = 68,720,550,912,263,056/303,377,272.32
  6. Step 6: Final answer
    x = 226,518,454.68

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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.