Home / 132,872,566.05-199,308,849.08-108,638,856.45

Finding the Fourth Proportional to 132,872,566.05, 199,308,849.08 and 108,638,856.45

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Solution

The fourth proportional to 132,872,566.05, 199,308,849.08 and 108,638,856.45 is: 162,958,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,872,566.05 : 199,308,849.08 = 108,638,856.45 : x
  2. Step 2: Convert to fraction form
    132,872,566.05/199,308,849.08 = 108,638,856.45/x
  3. Step 3: Cross multiply
    132,872,566.05x = 199,308,849.08 × 108,638,856.45
  4. Step 4: Simplify right side
    132,872,566.05x = 21,652,685,443,873,640
  5. Step 5: Solve for x
    x = 21,652,685,443,873,640/132,872,566.05
  6. Step 6: Final answer
    x = 162,958,284.68

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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.