Home / 215,683,246.40-323,524,869.60-143,123,835.20

Finding the Fourth Proportional to 215,683,246.40, 323,524,869.60 and 143,123,835.20

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Solution

The fourth proportional to 215,683,246.40, 323,524,869.60 and 143,123,835.20 is: 214,685,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,683,246.40 : 323,524,869.60 = 143,123,835.20 : x
  2. Step 2: Convert to fraction form
    215,683,246.40/323,524,869.60 = 143,123,835.20/x
  3. Step 3: Cross multiply
    215,683,246.40x = 323,524,869.60 × 143,123,835.20
  4. Step 4: Simplify right side
    215,683,246.40x = 46,304,120,119,731,888
  5. Step 5: Solve for x
    x = 46,304,120,119,731,888/215,683,246.40
  6. Step 6: Final answer
    x = 214,685,752.80

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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.