Home / 172,355,505.30-258,772,406.40-107,785,423.80

Finding the Fourth Proportional to 172,355,505.30, 258,772,406.40 and 107,785,423.80

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Solution

The fourth proportional to 172,355,505.30, 258,772,406.40 and 107,785,423.80 is: 161,827,691.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,355,505.30 : 258,772,406.40 = 107,785,423.80 : x
  2. Step 2: Convert to fraction form
    172,355,505.30/258,772,406.40 = 107,785,423.80/x
  3. Step 3: Cross multiply
    172,355,505.30x = 258,772,406.40 × 107,785,423.80
  4. Step 4: Simplify right side
    172,355,505.30x = 27,891,893,491,569,832
  5. Step 5: Solve for x
    x = 27,891,893,491,569,832/172,355,505.30
  6. Step 6: Final answer
    x = 161,827,691.22

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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.