Home / 57,729,144.20-79,666,233.96-31,624,590.05

Finding the Fourth Proportional to 57,729,144.20, 79,666,233.96 and 31,624,590.05

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Solution

The fourth proportional to 57,729,144.20, 79,666,233.96 and 31,624,590.05 is: 43,641,942.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,729,144.20 : 79,666,233.96 = 31,624,590.05 : x
  2. Step 2: Convert to fraction form
    57,729,144.20/79,666,233.96 = 31,624,590.05/x
  3. Step 3: Cross multiply
    57,729,144.20x = 79,666,233.96 × 31,624,590.05
  4. Step 4: Simplify right side
    57,729,144.20x = 2,519,411,989,812,388
  5. Step 5: Solve for x
    x = 2,519,411,989,812,388/57,729,144.20
  6. Step 6: Final answer
    x = 43,641,942.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.