Home / 146,687,015.50-202,434,379.95-81,496,919.50

Finding the Fourth Proportional to 146,687,015.50, 202,434,379.95 and 81,496,919.50

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Solution

The fourth proportional to 146,687,015.50, 202,434,379.95 and 81,496,919.50 is: 112,469,248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,687,015.50 : 202,434,379.95 = 81,496,919.50 : x
  2. Step 2: Convert to fraction form
    146,687,015.50/202,434,379.95 = 81,496,919.50/x
  3. Step 3: Cross multiply
    146,687,015.50x = 202,434,379.95 × 81,496,919.50
  4. Step 4: Simplify right side
    146,687,015.50x = 16,497,778,366,817,564
  5. Step 5: Solve for x
    x = 16,497,778,366,817,564/146,687,015.50
  6. Step 6: Final answer
    x = 112,469,248.29

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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.