Home / 230,869,200.80-318,599,807.64-125,022,800.72

Finding the Fourth Proportional to 230,869,200.80, 318,599,807.64 and 125,022,800.72

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Solution

The fourth proportional to 230,869,200.80, 318,599,807.64 and 125,022,800.72 is: 172,531,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,869,200.80 : 318,599,807.64 = 125,022,800.72 : x
  2. Step 2: Convert to fraction form
    230,869,200.80/318,599,807.64 = 125,022,800.72/x
  3. Step 3: Cross multiply
    230,869,200.80x = 318,599,807.64 × 125,022,800.72
  4. Step 4: Simplify right side
    230,869,200.80x = 39,832,240,260,006,048
  5. Step 5: Solve for x
    x = 39,832,240,260,006,048/230,869,200.80
  6. Step 6: Final answer
    x = 172,531,633.16

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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.