Home / 125,355,616.10-188,033,424.15-103,814,540.90

Finding the Fourth Proportional to 125,355,616.10, 188,033,424.15 and 103,814,540.90

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Solution

The fourth proportional to 125,355,616.10, 188,033,424.15 and 103,814,540.90 is: 155,721,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,355,616.10 : 188,033,424.15 = 103,814,540.90 : x
  2. Step 2: Convert to fraction form
    125,355,616.10/188,033,424.15 = 103,814,540.90/x
  3. Step 3: Cross multiply
    125,355,616.10x = 188,033,424.15 × 103,814,540.90
  4. Step 4: Simplify right side
    125,355,616.10x = 19,520,603,601,987,224
  5. Step 5: Solve for x
    x = 19,520,603,601,987,224/125,355,616.10
  6. Step 6: Final answer
    x = 155,721,811.35

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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.