Home / 43,038,071.76-64,518,884.97-16,770,825.78

Finding the Fourth Proportional to 43,038,071.76, 64,518,884.97 and 16,770,825.78

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Solution

The fourth proportional to 43,038,071.76, 64,518,884.97 and 16,770,825.78 is: 25,141,344.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,038,071.76 : 64,518,884.97 = 16,770,825.78 : x
  2. Step 2: Convert to fraction form
    43,038,071.76/64,518,884.97 = 16,770,825.78/x
  3. Step 3: Cross multiply
    43,038,071.76x = 64,518,884.97 × 16,770,825.78
  4. Step 4: Simplify right side
    43,038,071.76x = 1,082,034,979,351,730.50
  5. Step 5: Solve for x
    x = 1,082,034,979,351,730.50/43,038,071.76
  6. Step 6: Final answer
    x = 25,141,344.28

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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.