Home / 211,151,840.20-316,727,760.30-177,139,616.20

Finding the Fourth Proportional to 211,151,840.20, 316,727,760.30 and 177,139,616.20

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Solution

The fourth proportional to 211,151,840.20, 316,727,760.30 and 177,139,616.20 is: 265,709,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,151,840.20 : 316,727,760.30 = 177,139,616.20 : x
  2. Step 2: Convert to fraction form
    211,151,840.20/316,727,760.30 = 177,139,616.20/x
  3. Step 3: Cross multiply
    211,151,840.20x = 316,727,760.30 × 177,139,616.20
  4. Step 4: Simplify right side
    211,151,840.20x = 56,105,033,899,427,592
  5. Step 5: Solve for x
    x = 56,105,033,899,427,592/211,151,840.20
  6. Step 6: Final answer
    x = 265,709,424.30

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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.