Home / 424,214,145.79-636,321,956.79-133,103,609.14

Finding the Fourth Proportional to 424,214,145.79, 636,321,956.79 and 133,103,609.14

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Solution

The fourth proportional to 424,214,145.79, 636,321,956.79 and 133,103,609.14 is: 199,655,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,214,145.79 : 636,321,956.79 = 133,103,609.14 : x
  2. Step 2: Convert to fraction form
    424,214,145.79/636,321,956.79 = 133,103,609.14/x
  3. Step 3: Cross multiply
    424,214,145.79x = 636,321,956.79 × 133,103,609.14
  4. Step 4: Simplify right side
    424,214,145.79x = 84,696,749,023,776,128
  5. Step 5: Solve for x
    x = 84,696,749,023,776,128/424,214,145.79
  6. Step 6: Final answer
    x = 199,655,645.30

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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.