Home / 131,681,942.40-197,650,401.12-63,572,424.96

Finding the Fourth Proportional to 131,681,942.40, 197,650,401.12 and 63,572,424.96

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Solution

The fourth proportional to 131,681,942.40, 197,650,401.12 and 63,572,424.96 is: 95,420,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,681,942.40 : 197,650,401.12 = 63,572,424.96 : x
  2. Step 2: Convert to fraction form
    131,681,942.40/197,650,401.12 = 63,572,424.96/x
  3. Step 3: Cross multiply
    131,681,942.40x = 197,650,401.12 × 63,572,424.96
  4. Step 4: Simplify right side
    131,681,942.40x = 12,565,115,293,515,100
  5. Step 5: Solve for x
    x = 12,565,115,293,515,100/131,681,942.40
  6. Step 6: Final answer
    x = 95,420,184.91

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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.