Home / 143,801,616.70-215,702,425.05-119,886,771.70

Finding the Fourth Proportional to 143,801,616.70, 215,702,425.05 and 119,886,771.70

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Solution

The fourth proportional to 143,801,616.70, 215,702,425.05 and 119,886,771.70 is: 179,830,157.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,801,616.70 : 215,702,425.05 = 119,886,771.70 : x
  2. Step 2: Convert to fraction form
    143,801,616.70/215,702,425.05 = 119,886,771.70/x
  3. Step 3: Cross multiply
    143,801,616.70x = 215,702,425.05 × 119,886,771.70
  4. Step 4: Simplify right side
    143,801,616.70x = 25,859,867,387,105,712
  5. Step 5: Solve for x
    x = 25,859,867,387,105,712/143,801,616.70
  6. Step 6: Final answer
    x = 179,830,157.55

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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.