Home / 127,825,643.40-191,738,465.10-106,568,003.40

Finding the Fourth Proportional to 127,825,643.40, 191,738,465.10 and 106,568,003.40

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Solution

The fourth proportional to 127,825,643.40, 191,738,465.10 and 106,568,003.40 is: 159,852,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,825,643.40 : 191,738,465.10 = 106,568,003.40 : x
  2. Step 2: Convert to fraction form
    127,825,643.40/191,738,465.10 = 106,568,003.40/x
  3. Step 3: Cross multiply
    127,825,643.40x = 191,738,465.10 × 106,568,003.40
  4. Step 4: Simplify right side
    127,825,643.40x = 20,433,185,400,687,580
  5. Step 5: Solve for x
    x = 20,433,185,400,687,580/127,825,643.40
  6. Step 6: Final answer
    x = 159,852,005.10

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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.