Home / 215,424,982.05-322,673,335.58-145,956,638.38

Finding the Fourth Proportional to 215,424,982.05, 322,673,335.58 and 145,956,638.38

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Solution

The fourth proportional to 215,424,982.05, 322,673,335.58 and 145,956,638.38 is: 218,620,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,424,982.05 : 322,673,335.58 = 145,956,638.38 : x
  2. Step 2: Convert to fraction form
    215,424,982.05/322,673,335.58 = 145,956,638.38/x
  3. Step 3: Cross multiply
    215,424,982.05x = 322,673,335.58 × 145,956,638.38
  4. Step 4: Simplify right side
    215,424,982.05x = 47,096,315,355,676,656
  5. Step 5: Solve for x
    x = 47,096,315,355,676,656/215,424,982.05
  6. Step 6: Final answer
    x = 218,620,491.03

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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.