Home / 103,389,996.38-142,699,367.10-61,598,543.54

Finding the Fourth Proportional to 103,389,996.38, 142,699,367.10 and 61,598,543.54

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Solution

The fourth proportional to 103,389,996.38, 142,699,367.10 and 61,598,543.54 is: 85,018,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,389,996.38 : 142,699,367.10 = 61,598,543.54 : x
  2. Step 2: Convert to fraction form
    103,389,996.38/142,699,367.10 = 61,598,543.54/x
  3. Step 3: Cross multiply
    103,389,996.38x = 142,699,367.10 × 61,598,543.54
  4. Step 4: Simplify right side
    103,389,996.38x = 8,790,073,177,439,793
  5. Step 5: Solve for x
    x = 8,790,073,177,439,793/103,389,996.38
  6. Step 6: Final answer
    x = 85,018,604.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.