Home / 127,905,610.80-191,858,416.20-119,339,569.20

Finding the Fourth Proportional to 127,905,610.80, 191,858,416.20 and 119,339,569.20

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Solution

The fourth proportional to 127,905,610.80, 191,858,416.20 and 119,339,569.20 is: 179,009,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,905,610.80 : 191,858,416.20 = 119,339,569.20 : x
  2. Step 2: Convert to fraction form
    127,905,610.80/191,858,416.20 = 119,339,569.20/x
  3. Step 3: Cross multiply
    127,905,610.80x = 191,858,416.20 × 119,339,569.20
  4. Step 4: Simplify right side
    127,905,610.80x = 22,896,300,736,702,300
  5. Step 5: Solve for x
    x = 22,896,300,736,702,300/127,905,610.80
  6. Step 6: Final answer
    x = 179,009,353.80

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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.