Home / 51,842,324.40-77,763,486.60-40,420,935.60

Finding the Fourth Proportional to 51,842,324.40, 77,763,486.60 and 40,420,935.60

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Solution

The fourth proportional to 51,842,324.40, 77,763,486.60 and 40,420,935.60 is: 60,631,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,842,324.40 : 77,763,486.60 = 40,420,935.60 : x
  2. Step 2: Convert to fraction form
    51,842,324.40/77,763,486.60 = 40,420,935.60/x
  3. Step 3: Cross multiply
    51,842,324.40x = 77,763,486.60 × 40,420,935.60
  4. Step 4: Simplify right side
    51,842,324.40x = 3,143,272,883,890,063
  5. Step 5: Solve for x
    x = 3,143,272,883,890,063/51,842,324.40
  6. Step 6: Final answer
    x = 60,631,403.40

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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.