Home / 111,217,926.70-166,826,890.05-103,659,654.70

Finding the Fourth Proportional to 111,217,926.70, 166,826,890.05 and 103,659,654.70

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Solution

The fourth proportional to 111,217,926.70, 166,826,890.05 and 103,659,654.70 is: 155,489,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,217,926.70 : 166,826,890.05 = 103,659,654.70 : x
  2. Step 2: Convert to fraction form
    111,217,926.70/166,826,890.05 = 103,659,654.70/x
  3. Step 3: Cross multiply
    111,217,926.70x = 166,826,890.05 × 103,659,654.70
  4. Step 4: Simplify right side
    111,217,926.70x = 17,293,217,817,257,868
  5. Step 5: Solve for x
    x = 17,293,217,817,257,868/111,217,926.70
  6. Step 6: Final answer
    x = 155,489,482.05

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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.