Home / 127,906,002.80-191,859,004.20-119,339,961.20

Finding the Fourth Proportional to 127,906,002.80, 191,859,004.20 and 119,339,961.20

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Solution

The fourth proportional to 127,906,002.80, 191,859,004.20 and 119,339,961.20 is: 179,009,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,906,002.80 : 191,859,004.20 = 119,339,961.20 : x
  2. Step 2: Convert to fraction form
    127,906,002.80/191,859,004.20 = 119,339,961.20/x
  3. Step 3: Cross multiply
    127,906,002.80x = 191,859,004.20 × 119,339,961.20
  4. Step 4: Simplify right side
    127,906,002.80x = 22,896,446,117,098,636
  5. Step 5: Solve for x
    x = 22,896,446,117,098,636/127,906,002.80
  6. Step 6: Final answer
    x = 179,009,941.80

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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.