Home / 111,217,935.70-166,826,903.55-103,659,663.70

Finding the Fourth Proportional to 111,217,935.70, 166,826,903.55 and 103,659,663.70

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Solution

The fourth proportional to 111,217,935.70, 166,826,903.55 and 103,659,663.70 is: 155,489,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,217,935.70 : 166,826,903.55 = 103,659,663.70 : x
  2. Step 2: Convert to fraction form
    111,217,935.70/166,826,903.55 = 103,659,663.70/x
  3. Step 3: Cross multiply
    111,217,935.70x = 166,826,903.55 × 103,659,663.70
  4. Step 4: Simplify right side
    111,217,935.70x = 17,293,220,718,105,338
  5. Step 5: Solve for x
    x = 17,293,220,718,105,338/111,217,935.70
  6. Step 6: Final answer
    x = 155,489,495.55

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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.