Home / 53,310,066.03-79,965,099.05-12,920,550.03

Finding the Fourth Proportional to 53,310,066.03, 79,965,099.05 and 12,920,550.03

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Solution

The fourth proportional to 53,310,066.03, 79,965,099.05 and 12,920,550.03 is: 19,380,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310,066.03 : 79,965,099.05 = 12,920,550.03 : x
  2. Step 2: Convert to fraction form
    53,310,066.03/79,965,099.05 = 12,920,550.03/x
  3. Step 3: Cross multiply
    53,310,066.03x = 79,965,099.05 × 12,920,550.03
  4. Step 4: Simplify right side
    53,310,066.03x = 1,033,193,062,864,827.75
  5. Step 5: Solve for x
    x = 1,033,193,062,864,827.75/53,310,066.03
  6. Step 6: Final answer
    x = 19,380,825.05

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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.