Home / 132,872,002.60-199,308,003.90-120,117,418.60

Finding the Fourth Proportional to 132,872,002.60, 199,308,003.90 and 120,117,418.60

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Solution

The fourth proportional to 132,872,002.60, 199,308,003.90 and 120,117,418.60 is: 180,176,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,872,002.60 : 199,308,003.90 = 120,117,418.60 : x
  2. Step 2: Convert to fraction form
    132,872,002.60/199,308,003.90 = 120,117,418.60/x
  3. Step 3: Cross multiply
    132,872,002.60x = 199,308,003.90 × 120,117,418.60
  4. Step 4: Simplify right side
    132,872,002.60x = 23,940,362,934,786,732
  5. Step 5: Solve for x
    x = 23,940,362,934,786,732/132,872,002.60
  6. Step 6: Final answer
    x = 180,176,127.90

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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.