Home / 339,273,010.80-508,909,516.20-83,971,378.80

Finding the Fourth Proportional to 339,273,010.80, 508,909,516.20 and 83,971,378.80

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Solution

The fourth proportional to 339,273,010.80, 508,909,516.20 and 83,971,378.80 is: 125,957,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,273,010.80 : 508,909,516.20 = 83,971,378.80 : x
  2. Step 2: Convert to fraction form
    339,273,010.80/508,909,516.20 = 83,971,378.80/x
  3. Step 3: Cross multiply
    339,273,010.80x = 508,909,516.20 × 83,971,378.80
  4. Step 4: Simplify right side
    339,273,010.80x = 42,733,833,759,754,936
  5. Step 5: Solve for x
    x = 42,733,833,759,754,936/339,273,010.80
  6. Step 6: Final answer
    x = 125,957,068.20

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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.