Home / 371,492,991.68-557,239,591.10-109,177,528.43

Finding the Fourth Proportional to 371,492,991.68, 557,239,591.10 and 109,177,528.43

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Solution

The fourth proportional to 371,492,991.68, 557,239,591.10 and 109,177,528.43 is: 163,766,323.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,492,991.68 : 557,239,591.10 = 109,177,528.43 : x
  2. Step 2: Convert to fraction form
    371,492,991.68/557,239,591.10 = 109,177,528.43/x
  3. Step 3: Cross multiply
    371,492,991.68x = 557,239,591.10 × 109,177,528.43
  4. Step 4: Simplify right side
    371,492,991.68x = 60,838,041,299,641,832
  5. Step 5: Solve for x
    x = 60,838,041,299,641,832/371,492,991.68
  6. Step 6: Final answer
    x = 163,766,323.09

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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.