Home / 146,597,144.84-219,704,427.66-81,898,336.52

Finding the Fourth Proportional to 146,597,144.84, 219,704,427.66 and 81,898,336.52

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Solution

The fourth proportional to 146,597,144.84, 219,704,427.66 and 81,898,336.52 is: 122,740,638.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,597,144.84 : 219,704,427.66 = 81,898,336.52 : x
  2. Step 2: Convert to fraction form
    146,597,144.84/219,704,427.66 = 81,898,336.52/x
  3. Step 3: Cross multiply
    146,597,144.84x = 219,704,427.66 × 81,898,336.52
  4. Step 4: Simplify right side
    146,597,144.84x = 17,993,427,151,432,674
  5. Step 5: Solve for x
    x = 17,993,427,151,432,674/146,597,144.84
  6. Step 6: Final answer
    x = 122,740,638.44

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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.