Home / 78,623,265.04-108,500,469.24-45,603,064.24

Finding the Fourth Proportional to 78,623,265.04, 108,500,469.24 and 45,603,064.24

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Solution

The fourth proportional to 78,623,265.04, 108,500,469.24 and 45,603,064.24 is: 62,932,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,623,265.04 : 108,500,469.24 = 45,603,064.24 : x
  2. Step 2: Convert to fraction form
    78,623,265.04/108,500,469.24 = 45,603,064.24/x
  3. Step 3: Cross multiply
    78,623,265.04x = 108,500,469.24 × 45,603,064.24
  4. Step 4: Simplify right side
    78,623,265.04x = 4,947,953,868,821,864
  5. Step 5: Solve for x
    x = 4,947,953,868,821,864/78,623,265.04
  6. Step 6: Final answer
    x = 62,932,439.48

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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.