Home / 142,832,022.50-197,110,350.72-80,122,021.36

Finding the Fourth Proportional to 142,832,022.50, 197,110,350.72 and 80,122,021.36

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Solution

The fourth proportional to 142,832,022.50, 197,110,350.72 and 80,122,021.36 is: 110,569,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,832,022.50 : 197,110,350.72 = 80,122,021.36 : x
  2. Step 2: Convert to fraction form
    142,832,022.50/197,110,350.72 = 80,122,021.36/x
  3. Step 3: Cross multiply
    142,832,022.50x = 197,110,350.72 × 80,122,021.36
  4. Step 4: Simplify right side
    142,832,022.50x = 15,792,879,730,172,156
  5. Step 5: Solve for x
    x = 15,792,879,730,172,156/142,832,022.50
  6. Step 6: Final answer
    x = 110,569,600.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.