Home / 53,310,068.16-79,965,102.23-12,920,552.16

Finding the Fourth Proportional to 53,310,068.16, 79,965,102.23 and 12,920,552.16

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Solution

The fourth proportional to 53,310,068.16, 79,965,102.23 and 12,920,552.16 is: 19,380,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310,068.16 : 79,965,102.23 = 12,920,552.16 : x
  2. Step 2: Convert to fraction form
    53,310,068.16/79,965,102.23 = 12,920,552.16/x
  3. Step 3: Cross multiply
    53,310,068.16x = 79,965,102.23 × 12,920,552.16
  4. Step 4: Simplify right side
    53,310,068.16x = 1,033,193,274,342,447.38
  5. Step 5: Solve for x
    x = 1,033,193,274,342,447.38/53,310,068.16
  6. Step 6: Final answer
    x = 19,380,828.24

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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.