Home / 115,370,223.93-172,999,829.84-38,639,591.37

Finding the Fourth Proportional to 115,370,223.93, 172,999,829.84 and 38,639,591.37

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Solution

The fourth proportional to 115,370,223.93, 172,999,829.84 and 38,639,591.37 is: 57,940,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,370,223.93 : 172,999,829.84 = 38,639,591.37 : x
  2. Step 2: Convert to fraction form
    115,370,223.93/172,999,829.84 = 38,639,591.37/x
  3. Step 3: Cross multiply
    115,370,223.93x = 172,999,829.84 × 38,639,591.37
  4. Step 4: Simplify right side
    115,370,223.93x = 6,684,642,731,903,934
  5. Step 5: Solve for x
    x = 6,684,642,731,903,934/115,370,223.93
  6. Step 6: Final answer
    x = 57,940,797.06

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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.