Home / 128,628,200.40-192,942,300.60-110,134,053.60

Finding the Fourth Proportional to 128,628,200.40, 192,942,300.60 and 110,134,053.60

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Solution

The fourth proportional to 128,628,200.40, 192,942,300.60 and 110,134,053.60 is: 165,201,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,628,200.40 : 192,942,300.60 = 110,134,053.60 : x
  2. Step 2: Convert to fraction form
    128,628,200.40/192,942,300.60 = 110,134,053.60/x
  3. Step 3: Cross multiply
    128,628,200.40x = 192,942,300.60 × 110,134,053.60
  4. Step 4: Simplify right side
    128,628,200.40x = 21,249,517,675,987,712
  5. Step 5: Solve for x
    x = 21,249,517,675,987,712/128,628,200.40
  6. Step 6: Final answer
    x = 165,201,080.40

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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.