Home / 215,783,999.40-323,675,999.10-123,667,559.40

Finding the Fourth Proportional to 215,783,999.40, 323,675,999.10 and 123,667,559.40

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Solution

The fourth proportional to 215,783,999.40, 323,675,999.10 and 123,667,559.40 is: 185,501,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,783,999.40 : 323,675,999.10 = 123,667,559.40 : x
  2. Step 2: Convert to fraction form
    215,783,999.40/323,675,999.10 = 123,667,559.40/x
  3. Step 3: Cross multiply
    215,783,999.40x = 323,675,999.10 × 123,667,559.40
  4. Step 4: Simplify right side
    215,783,999.40x = 40,028,220,845,053,600
  5. Step 5: Solve for x
    x = 40,028,220,845,053,600/215,783,999.40
  6. Step 6: Final answer
    x = 185,501,339.10

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1.5x scale

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.