Home / 115,029,150.37-172,629,419.51-84,402,868.93

Finding the Fourth Proportional to 115,029,150.37, 172,629,419.51 and 84,402,868.93

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Solution

The fourth proportional to 115,029,150.37, 172,629,419.51 and 84,402,868.93 is: 126,667,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,029,150.37 : 172,629,419.51 = 84,402,868.93 : x
  2. Step 2: Convert to fraction form
    115,029,150.37/172,629,419.51 = 84,402,868.93/x
  3. Step 3: Cross multiply
    115,029,150.37x = 172,629,419.51 × 84,402,868.93
  4. Step 4: Simplify right side
    115,029,150.37x = 14,570,418,267,942,502
  5. Step 5: Solve for x
    x = 14,570,418,267,942,502/115,029,150.37
  6. Step 6: Final answer
    x = 126,667,181.50

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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.