Home / 53,534,631.20-80,213,473.20-45,572,007.20

Finding the Fourth Proportional to 53,534,631.20, 80,213,473.20 and 45,572,007.20

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Solution

The fourth proportional to 53,534,631.20, 80,213,473.20 and 45,572,007.20 is: 68,282,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,534,631.20 : 80,213,473.20 = 45,572,007.20 : x
  2. Step 2: Convert to fraction form
    53,534,631.20/80,213,473.20 = 45,572,007.20/x
  3. Step 3: Cross multiply
    53,534,631.20x = 80,213,473.20 × 45,572,007.20
  4. Step 4: Simplify right side
    53,534,631.20x = 3,655,488,978,207,407.50
  5. Step 5: Solve for x
    x = 3,655,488,978,207,407.50/53,534,631.20
  6. Step 6: Final answer
    x = 68,282,696.57

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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.