Home / 111,217,931.20-166,826,896.80-103,659,659.20

Finding the Fourth Proportional to 111,217,931.20, 166,826,896.80 and 103,659,659.20

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Solution

The fourth proportional to 111,217,931.20, 166,826,896.80 and 103,659,659.20 is: 155,489,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,217,931.20 : 166,826,896.80 = 103,659,659.20 : x
  2. Step 2: Convert to fraction form
    111,217,931.20/166,826,896.80 = 103,659,659.20/x
  3. Step 3: Cross multiply
    111,217,931.20x = 166,826,896.80 × 103,659,659.20
  4. Step 4: Simplify right side
    111,217,931.20x = 17,293,219,267,681,572
  5. Step 5: Solve for x
    x = 17,293,219,267,681,572/111,217,931.20
  6. Step 6: Final answer
    x = 155,489,488.80

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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.