Home / 130,206,702.24-179,834,377.22-85,751,399.12

Finding the Fourth Proportional to 130,206,702.24, 179,834,377.22 and 85,751,399.12

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Solution

The fourth proportional to 130,206,702.24, 179,834,377.22 and 85,751,399.12 is: 118,435,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,206,702.24 : 179,834,377.22 = 85,751,399.12 : x
  2. Step 2: Convert to fraction form
    130,206,702.24/179,834,377.22 = 85,751,399.12/x
  3. Step 3: Cross multiply
    130,206,702.24x = 179,834,377.22 × 85,751,399.12
  4. Step 4: Simplify right side
    130,206,702.24x = 15,421,049,455,160,926
  5. Step 5: Solve for x
    x = 15,421,049,455,160,926/130,206,702.24
  6. Step 6: Final answer
    x = 118,435,143.43

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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.