Home / 115,507,043.50-173,258,932.56-28,069,203.19

Finding the Fourth Proportional to 115,507,043.50, 173,258,932.56 and 28,069,203.19

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Solution

The fourth proportional to 115,507,043.50, 173,258,932.56 and 28,069,203.19 is: 42,103,408.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,507,043.50 : 173,258,932.56 = 28,069,203.19 : x
  2. Step 2: Convert to fraction form
    115,507,043.50/173,258,932.56 = 28,069,203.19/x
  3. Step 3: Cross multiply
    115,507,043.50x = 173,258,932.56 × 28,069,203.19
  4. Step 4: Simplify right side
    115,507,043.50x = 4,863,240,182,509,147
  5. Step 5: Solve for x
    x = 4,863,240,182,509,147/115,507,043.50
  6. Step 6: Final answer
    x = 42,103,408.03

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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.