Home / 115,507,048.50-173,258,940.06-28,069,208.19

Finding the Fourth Proportional to 115,507,048.50, 173,258,940.06 and 28,069,208.19

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Solution

The fourth proportional to 115,507,048.50, 173,258,940.06 and 28,069,208.19 is: 42,103,415.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,507,048.50 : 173,258,940.06 = 28,069,208.19 : x
  2. Step 2: Convert to fraction form
    115,507,048.50/173,258,940.06 = 28,069,208.19/x
  3. Step 3: Cross multiply
    115,507,048.50x = 173,258,940.06 × 28,069,208.19
  4. Step 4: Simplify right side
    115,507,048.50x = 4,863,241,259,322,871
  5. Step 5: Solve for x
    x = 4,863,241,259,322,871/115,507,048.50
  6. Step 6: Final answer
    x = 42,103,415.53

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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.