Home / 203,487,464.66-305,367,259.37-86,930,059.82

Finding the Fourth Proportional to 203,487,464.66, 305,367,259.37 and 86,930,059.82

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Solution

The fourth proportional to 203,487,464.66, 305,367,259.37 and 86,930,059.82 is: 130,453,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,487,464.66 : 305,367,259.37 = 86,930,059.82 : x
  2. Step 2: Convert to fraction form
    203,487,464.66/305,367,259.37 = 86,930,059.82/x
  3. Step 3: Cross multiply
    203,487,464.66x = 305,367,259.37 × 86,930,059.82
  4. Step 4: Simplify right side
    203,487,464.66x = 26,545,594,122,142,068
  5. Step 5: Solve for x
    x = 26,545,594,122,142,068/203,487,464.66
  6. Step 6: Final answer
    x = 130,453,215.72

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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.