Home / 215,734,502.40-323,601,753.60-143,175,091.20

Finding the Fourth Proportional to 215,734,502.40, 323,601,753.60 and 143,175,091.20

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Solution

The fourth proportional to 215,734,502.40, 323,601,753.60 and 143,175,091.20 is: 214,762,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,734,502.40 : 323,601,753.60 = 143,175,091.20 : x
  2. Step 2: Convert to fraction form
    215,734,502.40/323,601,753.60 = 143,175,091.20/x
  3. Step 3: Cross multiply
    215,734,502.40x = 323,601,753.60 × 143,175,091.20
  4. Step 4: Simplify right side
    215,734,502.40x = 46,331,710,584,159,928
  5. Step 5: Solve for x
    x = 46,331,710,584,159,928/215,734,502.40
  6. Step 6: Final answer
    x = 214,762,636.80

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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.