Home / 60,640,189.76-83,691,996.40-38,606,650.76

Finding the Fourth Proportional to 60,640,189.76, 83,691,996.40 and 38,606,650.76

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Solution

The fourth proportional to 60,640,189.76, 83,691,996.40 and 38,606,650.76 is: 53,282,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,640,189.76 : 83,691,996.40 = 38,606,650.76 : x
  2. Step 2: Convert to fraction form
    60,640,189.76/83,691,996.40 = 38,606,650.76/x
  3. Step 3: Cross multiply
    60,640,189.76x = 83,691,996.40 × 38,606,650.76
  4. Step 4: Simplify right side
    60,640,189.76x = 3,231,067,676,421,977.50
  5. Step 5: Solve for x
    x = 3,231,067,676,421,977.50/60,640,189.76
  6. Step 6: Final answer
    x = 53,282,611.57

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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.