Home / 340,520,120.22-510,780,187.08-81,735,340.53

Finding the Fourth Proportional to 340,520,120.22, 510,780,187.08 and 81,735,340.53

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Solution

The fourth proportional to 340,520,120.22, 510,780,187.08 and 81,735,340.53 is: 122,603,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,520,120.22 : 510,780,187.08 = 81,735,340.53 : x
  2. Step 2: Convert to fraction form
    340,520,120.22/510,780,187.08 = 81,735,340.53/x
  3. Step 3: Cross multiply
    340,520,120.22x = 510,780,187.08 × 81,735,340.53
  4. Step 4: Simplify right side
    340,520,120.22x = 41,748,792,526,960,904
  5. Step 5: Solve for x
    x = 41,748,792,526,960,904/340,520,120.22
  6. Step 6: Final answer
    x = 122,603,012.42

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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.