Home / 331,745,181.80-497,617,772.70-211,111,428.20

Finding the Fourth Proportional to 331,745,181.80, 497,617,772.70 and 211,111,428.20

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Solution

The fourth proportional to 331,745,181.80, 497,617,772.70 and 211,111,428.20 is: 316,667,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,745,181.80 : 497,617,772.70 = 211,111,428.20 : x
  2. Step 2: Convert to fraction form
    331,745,181.80/497,617,772.70 = 211,111,428.20/x
  3. Step 3: Cross multiply
    331,745,181.80x = 497,617,772.70 × 211,111,428.20
  4. Step 4: Simplify right side
    331,745,181.80x = 105,052,798,692,399,968
  5. Step 5: Solve for x
    x = 105,052,798,692,399,968/331,745,181.80
  6. Step 6: Final answer
    x = 316,667,142.30

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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.