Home / 143,613,426.60-215,420,139.90-39,982,431.60

Finding the Fourth Proportional to 143,613,426.60, 215,420,139.90 and 39,982,431.60

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Solution

The fourth proportional to 143,613,426.60, 215,420,139.90 and 39,982,431.60 is: 59,973,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,613,426.60 : 215,420,139.90 = 39,982,431.60 : x
  2. Step 2: Convert to fraction form
    143,613,426.60/215,420,139.90 = 39,982,431.60/x
  3. Step 3: Cross multiply
    143,613,426.60x = 215,420,139.90 × 39,982,431.60
  4. Step 4: Simplify right side
    143,613,426.60x = 8,613,021,008,814,181
  5. Step 5: Solve for x
    x = 8,613,021,008,814,181/143,613,426.60
  6. Step 6: Final answer
    x = 59,973,647.40

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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.