Home / 144,995,655.76-200,093,993.80-78,916,627.82

Finding the Fourth Proportional to 144,995,655.76, 200,093,993.80 and 78,916,627.82

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Solution

The fourth proportional to 144,995,655.76, 200,093,993.80 and 78,916,627.82 is: 108,904,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,995,655.76 : 200,093,993.80 = 78,916,627.82 : x
  2. Step 2: Convert to fraction form
    144,995,655.76/200,093,993.80 = 78,916,627.82/x
  3. Step 3: Cross multiply
    144,995,655.76x = 200,093,993.80 × 78,916,627.82
  4. Step 4: Simplify right side
    144,995,655.76x = 15,790,743,237,731,988
  5. Step 5: Solve for x
    x = 15,790,743,237,731,988/144,995,655.76
  6. Step 6: Final answer
    x = 108,904,940.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.