Home / 100,603,192.67-138,833,168.10-55,949,785.28

Finding the Fourth Proportional to 100,603,192.67, 138,833,168.10 and 55,949,785.28

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Solution

The fourth proportional to 100,603,192.67, 138,833,168.10 and 55,949,785.28 is: 77,211,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,603,192.67 : 138,833,168.10 = 55,949,785.28 : x
  2. Step 2: Convert to fraction form
    100,603,192.67/138,833,168.10 = 55,949,785.28/x
  3. Step 3: Cross multiply
    100,603,192.67x = 138,833,168.10 × 55,949,785.28
  4. Step 4: Simplify right side
    100,603,192.67x = 7,767,685,945,284,228
  5. Step 5: Solve for x
    x = 7,767,685,945,284,228/100,603,192.67
  6. Step 6: Final answer
    x = 77,211,127.59

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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.