Home / 78,636,697.76-118,008,166.48-27,519,159.44

Finding the Fourth Proportional to 78,636,697.76, 118,008,166.48 and 27,519,159.44

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Solution

The fourth proportional to 78,636,697.76, 118,008,166.48 and 27,519,159.44 is: 41,297,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,636,697.76 : 118,008,166.48 = 27,519,159.44 : x
  2. Step 2: Convert to fraction form
    78,636,697.76/118,008,166.48 = 27,519,159.44/x
  3. Step 3: Cross multiply
    78,636,697.76x = 118,008,166.48 × 27,519,159.44
  4. Step 4: Simplify right side
    78,636,697.76x = 3,247,485,548,585,184
  5. Step 5: Solve for x
    x = 3,247,485,548,585,184/78,636,697.76
  6. Step 6: Final answer
    x = 41,297,328.61

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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.