Home / 53,907,161.40-80,860,742.10-52,489,985.40

Finding the Fourth Proportional to 53,907,161.40, 80,860,742.10 and 52,489,985.40

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Solution

The fourth proportional to 53,907,161.40, 80,860,742.10 and 52,489,985.40 is: 78,734,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,907,161.40 : 80,860,742.10 = 52,489,985.40 : x
  2. Step 2: Convert to fraction form
    53,907,161.40/80,860,742.10 = 52,489,985.40/x
  3. Step 3: Cross multiply
    53,907,161.40x = 80,860,742.10 × 52,489,985.40
  4. Step 4: Simplify right side
    53,907,161.40x = 4,244,379,172,262,165
  5. Step 5: Solve for x
    x = 4,244,379,172,262,165/53,907,161.40
  6. Step 6: Final answer
    x = 78,734,978.10

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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.