Home / 103,177,933.51-142,331,279.25-61,332,234.54

Finding the Fourth Proportional to 103,177,933.51, 142,331,279.25 and 61,332,234.54

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Solution

The fourth proportional to 103,177,933.51, 142,331,279.25 and 61,332,234.54 is: 84,606,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,177,933.51 : 142,331,279.25 = 61,332,234.54 : x
  2. Step 2: Convert to fraction form
    103,177,933.51/142,331,279.25 = 61,332,234.54/x
  3. Step 3: Cross multiply
    103,177,933.51x = 142,331,279.25 × 61,332,234.54
  4. Step 4: Simplify right side
    103,177,933.51x = 8,729,495,400,627,578
  5. Step 5: Solve for x
    x = 8,729,495,400,627,578/103,177,933.51
  6. Step 6: Final answer
    x = 84,606,224.45

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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.