Home / 329,063,505.87-454,101,145.13-180,384,947.31

Finding the Fourth Proportional to 329,063,505.87, 454,101,145.13 and 180,384,947.31

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Solution

The fourth proportional to 329,063,505.87, 454,101,145.13 and 180,384,947.31 is: 248,927,667.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,063,505.87 : 454,101,145.13 = 180,384,947.31 : x
  2. Step 2: Convert to fraction form
    329,063,505.87/454,101,145.13 = 180,384,947.31/x
  3. Step 3: Cross multiply
    329,063,505.87x = 454,101,145.13 × 180,384,947.31
  4. Step 4: Simplify right side
    329,063,505.87x = 81,913,011,138,136,672
  5. Step 5: Solve for x
    x = 81,913,011,138,136,672/329,063,505.87
  6. Step 6: Final answer
    x = 248,927,667.99

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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.