Home / 57,213,186.81-78,953,641.08-31,107,704.58

Finding the Fourth Proportional to 57,213,186.81, 78,953,641.08 and 31,107,704.58

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Solution

The fourth proportional to 57,213,186.81, 78,953,641.08 and 31,107,704.58 is: 42,928,329.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,213,186.81 : 78,953,641.08 = 31,107,704.58 : x
  2. Step 2: Convert to fraction form
    57,213,186.81/78,953,641.08 = 31,107,704.58/x
  3. Step 3: Cross multiply
    57,213,186.81x = 78,953,641.08 × 31,107,704.58
  4. Step 4: Simplify right side
    57,213,186.81x = 2,456,066,542,231,992
  5. Step 5: Solve for x
    x = 2,456,066,542,231,992/57,213,186.81
  6. Step 6: Final answer
    x = 42,928,329.62

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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.