Home / 113,027,775.12-169,294,476.08-80,138,650.32

Finding the Fourth Proportional to 113,027,775.12, 169,294,476.08 and 80,138,650.32

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Solution

The fourth proportional to 113,027,775.12, 169,294,476.08 and 80,138,650.32 is: 120,032,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,027,775.12 : 169,294,476.08 = 80,138,650.32 : x
  2. Step 2: Convert to fraction form
    113,027,775.12/169,294,476.08 = 80,138,650.32/x
  3. Step 3: Cross multiply
    113,027,775.12x = 169,294,476.08 × 80,138,650.32
  4. Step 4: Simplify right side
    113,027,775.12x = 13,567,030,819,682,724
  5. Step 5: Solve for x
    x = 13,567,030,819,682,724/113,027,775.12
  6. Step 6: Final answer
    x = 120,032,715.90

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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.