Home / 131,868,516.50-197,820,964.30-76,562,397.74

Finding the Fourth Proportional to 131,868,516.50, 197,820,964.30 and 76,562,397.74

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Solution

The fourth proportional to 131,868,516.50, 197,820,964.30 and 76,562,397.74 is: 114,854,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,868,516.50 : 197,820,964.30 = 76,562,397.74 : x
  2. Step 2: Convert to fraction form
    131,868,516.50/197,820,964.30 = 76,562,397.74/x
  3. Step 3: Cross multiply
    131,868,516.50x = 197,820,964.30 × 76,562,397.74
  4. Step 4: Simplify right side
    131,868,516.50x = 15,145,647,348,866,430
  5. Step 5: Solve for x
    x = 15,145,647,348,866,430/131,868,516.50
  6. Step 6: Final answer
    x = 114,854,157.39

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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.