Home / 68,184,010.50-102,291,128.52-19,658,078.11

Finding the Fourth Proportional to 68,184,010.50, 102,291,128.52 and 19,658,078.11

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Solution

The fourth proportional to 68,184,010.50, 102,291,128.52 and 19,658,078.11 is: 29,491,474.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,184,010.50 : 102,291,128.52 = 19,658,078.11 : x
  2. Step 2: Convert to fraction form
    68,184,010.50/102,291,128.52 = 19,658,078.11/x
  3. Step 3: Cross multiply
    68,184,010.50x = 102,291,128.52 × 19,658,078.11
  4. Step 4: Simplify right side
    68,184,010.50x = 2,010,846,994,406,208.50
  5. Step 5: Solve for x
    x = 2,010,846,994,406,208.50/68,184,010.50
  6. Step 6: Final answer
    x = 29,491,474.32

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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.