Home / 115,160,840.45-172,741,260.65-38,483,868.66

Finding the Fourth Proportional to 115,160,840.45, 172,741,260.65 and 38,483,868.66

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Solution

The fourth proportional to 115,160,840.45, 172,741,260.65 and 38,483,868.66 is: 57,725,802.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,160,840.45 : 172,741,260.65 = 38,483,868.66 : x
  2. Step 2: Convert to fraction form
    115,160,840.45/172,741,260.65 = 38,483,868.66/x
  3. Step 3: Cross multiply
    115,160,840.45x = 172,741,260.65 × 38,483,868.66
  4. Step 4: Simplify right side
    115,160,840.45x = 6,647,751,986,825,007
  5. Step 5: Solve for x
    x = 6,647,751,986,825,007/115,160,840.45
  6. Step 6: Final answer
    x = 57,725,802.98

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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.