Home / 219,259,769.01-328,780,219.07-71,688,106.44

Finding the Fourth Proportional to 219,259,769.01, 328,780,219.07 and 71,688,106.44

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Solution

The fourth proportional to 219,259,769.01, 328,780,219.07 and 71,688,106.44 is: 107,496,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,259,769.01 : 328,780,219.07 = 71,688,106.44 : x
  2. Step 2: Convert to fraction form
    219,259,769.01/328,780,219.07 = 71,688,106.44/x
  3. Step 3: Cross multiply
    219,259,769.01x = 328,780,219.07 × 71,688,106.44
  4. Step 4: Simplify right side
    219,259,769.01x = 23,569,631,339,698,236
  5. Step 5: Solve for x
    x = 23,569,631,339,698,236/219,259,769.01
  6. Step 6: Final answer
    x = 107,496,379.51

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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.