Home / 115,369,093.80-173,053,640.70-111,338,015.40

Finding the Fourth Proportional to 115,369,093.80, 173,053,640.70 and 111,338,015.40

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Solution

The fourth proportional to 115,369,093.80, 173,053,640.70 and 111,338,015.40 is: 167,007,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,369,093.80 : 173,053,640.70 = 111,338,015.40 : x
  2. Step 2: Convert to fraction form
    115,369,093.80/173,053,640.70 = 111,338,015.40/x
  3. Step 3: Cross multiply
    115,369,093.80x = 173,053,640.70 × 111,338,015.40
  4. Step 4: Simplify right side
    115,369,093.80x = 19,267,448,913,282,668
  5. Step 5: Solve for x
    x = 19,267,448,913,282,668/115,369,093.80
  6. Step 6: Final answer
    x = 167,007,023.10

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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.