Home / 339,273,013.80-508,909,520.70-83,971,381.80

Finding the Fourth Proportional to 339,273,013.80, 508,909,520.70 and 83,971,381.80

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Solution

The fourth proportional to 339,273,013.80, 508,909,520.70 and 83,971,381.80 is: 125,957,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,273,013.80 : 508,909,520.70 = 83,971,381.80 : x
  2. Step 2: Convert to fraction form
    339,273,013.80/508,909,520.70 = 83,971,381.80/x
  3. Step 3: Cross multiply
    339,273,013.80x = 508,909,520.70 × 83,971,381.80
  4. Step 4: Simplify right side
    339,273,013.80x = 42,733,835,664,354,704
  5. Step 5: Solve for x
    x = 42,733,835,664,354,704/339,273,013.80
  6. Step 6: Final answer
    x = 125,957,072.70

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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.