Home / 131,472,014.60-197,208,021.90-71,005,838.60

Finding the Fourth Proportional to 131,472,014.60, 197,208,021.90 and 71,005,838.60

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Solution

The fourth proportional to 131,472,014.60, 197,208,021.90 and 71,005,838.60 is: 106,508,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,472,014.60 : 197,208,021.90 = 71,005,838.60 : x
  2. Step 2: Convert to fraction form
    131,472,014.60/197,208,021.90 = 71,005,838.60/x
  3. Step 3: Cross multiply
    131,472,014.60x = 197,208,021.90 × 71,005,838.60
  4. Step 4: Simplify right side
    131,472,014.60x = 14,002,920,973,656,664
  5. Step 5: Solve for x
    x = 14,002,920,973,656,664/131,472,014.60
  6. Step 6: Final answer
    x = 106,508,757.90

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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.