Home / 205,964,216.64-308,941,542.72-103,700,796.48

Finding the Fourth Proportional to 205,964,216.64, 308,941,542.72 and 103,700,796.48

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Solution

The fourth proportional to 205,964,216.64, 308,941,542.72 and 103,700,796.48 is: 155,548,786.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,964,216.64 : 308,941,542.72 = 103,700,796.48 : x
  2. Step 2: Convert to fraction form
    205,964,216.64/308,941,542.72 = 103,700,796.48/x
  3. Step 3: Cross multiply
    205,964,216.64x = 308,941,542.72 × 103,700,796.48
  4. Step 4: Simplify right side
    205,964,216.64x = 32,037,484,045,823,948
  5. Step 5: Solve for x
    x = 32,037,484,045,823,948/205,964,216.64
  6. Step 6: Final answer
    x = 155,548,786.91

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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.