Home / 383,238,072.90-574,857,109.35-137,712,330.90

Finding the Fourth Proportional to 383,238,072.90, 574,857,109.35 and 137,712,330.90

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Solution

The fourth proportional to 383,238,072.90, 574,857,109.35 and 137,712,330.90 is: 206,568,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,238,072.90 : 574,857,109.35 = 137,712,330.90 : x
  2. Step 2: Convert to fraction form
    383,238,072.90/574,857,109.35 = 137,712,330.90/x
  3. Step 3: Cross multiply
    383,238,072.90x = 574,857,109.35 × 137,712,330.90
  4. Step 4: Simplify right side
    383,238,072.90x = 79,164,912,463,024,688
  5. Step 5: Solve for x
    x = 79,164,912,463,024,688/383,238,072.90
  6. Step 6: Final answer
    x = 206,568,496.35

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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.