Home / 115,566,228.71-173,346,914.39-28,128,233.52

Finding the Fourth Proportional to 115,566,228.71, 173,346,914.39 and 28,128,233.52

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Solution

The fourth proportional to 115,566,228.71, 173,346,914.39 and 28,128,233.52 is: 42,191,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,566,228.71 : 173,346,914.39 = 28,128,233.52 : x
  2. Step 2: Convert to fraction form
    115,566,228.71/173,346,914.39 = 28,128,233.52/x
  3. Step 3: Cross multiply
    115,566,228.71x = 173,346,914.39 × 28,128,233.52
  4. Step 4: Simplify right side
    115,566,228.71x = 4,875,942,487,792,727
  5. Step 5: Solve for x
    x = 4,875,942,487,792,727/115,566,228.71
  6. Step 6: Final answer
    x = 42,191,759.15

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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.