Home / 206,983,500.30-310,475,250.45-155,327,435.10

Finding the Fourth Proportional to 206,983,500.30, 310,475,250.45 and 155,327,435.10

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Solution

The fourth proportional to 206,983,500.30, 310,475,250.45 and 155,327,435.10 is: 232,991,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,983,500.30 : 310,475,250.45 = 155,327,435.10 : x
  2. Step 2: Convert to fraction form
    206,983,500.30/310,475,250.45 = 155,327,435.10/x
  3. Step 3: Cross multiply
    206,983,500.30x = 310,475,250.45 × 155,327,435.10
  4. Step 4: Simplify right side
    206,983,500.30x = 48,225,324,314,428,616
  5. Step 5: Solve for x
    x = 48,225,324,314,428,616/206,983,500.30
  6. Step 6: Final answer
    x = 232,991,152.65

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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.