Home / 53,447,430.80-80,171,146.20-39,842,541.20

Finding the Fourth Proportional to 53,447,430.80, 80,171,146.20 and 39,842,541.20

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Solution

The fourth proportional to 53,447,430.80, 80,171,146.20 and 39,842,541.20 is: 59,763,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,447,430.80 : 80,171,146.20 = 39,842,541.20 : x
  2. Step 2: Convert to fraction form
    53,447,430.80/80,171,146.20 = 39,842,541.20/x
  3. Step 3: Cross multiply
    53,447,430.80x = 80,171,146.20 × 39,842,541.20
  4. Step 4: Simplify right side
    53,447,430.80x = 3,194,222,195,524,724
  5. Step 5: Solve for x
    x = 3,194,222,195,524,724/53,447,430.80
  6. Step 6: Final answer
    x = 59,763,811.80

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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.