Home / 103,177,932.50-142,331,277.87-61,332,233.54

Finding the Fourth Proportional to 103,177,932.50, 142,331,277.87 and 61,332,233.54

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Solution

The fourth proportional to 103,177,932.50, 142,331,277.87 and 61,332,233.54 is: 84,606,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,177,932.50 : 142,331,277.87 = 61,332,233.54 : x
  2. Step 2: Convert to fraction form
    103,177,932.50/142,331,277.87 = 61,332,233.54/x
  3. Step 3: Cross multiply
    103,177,932.50x = 142,331,277.87 × 61,332,233.54
  4. Step 4: Simplify right side
    103,177,932.50x = 8,729,495,173,657,817
  5. Step 5: Solve for x
    x = 8,729,495,173,657,817/103,177,932.50
  6. Step 6: Final answer
    x = 84,606,223.07

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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.