Home / 219,259,780.82-328,780,236.78-71,688,118.25

Finding the Fourth Proportional to 219,259,780.82, 328,780,236.78 and 71,688,118.25

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Solution

The fourth proportional to 219,259,780.82, 328,780,236.78 and 71,688,118.25 is: 107,496,397.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,259,780.82 : 328,780,236.78 = 71,688,118.25 : x
  2. Step 2: Convert to fraction form
    219,259,780.82/328,780,236.78 = 71,688,118.25/x
  3. Step 3: Cross multiply
    219,259,780.82x = 328,780,236.78 × 71,688,118.25
  4. Step 4: Simplify right side
    219,259,780.82x = 23,569,636,492,547,636
  5. Step 5: Solve for x
    x = 23,569,636,492,547,636/219,259,780.82
  6. Step 6: Final answer
    x = 107,496,397.22

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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.