Home / 57,224,840.16-78,969,184.56-31,470,728.16

Finding the Fourth Proportional to 57,224,840.16, 78,969,184.56 and 31,470,728.16

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Solution

The fourth proportional to 57,224,840.16, 78,969,184.56 and 31,470,728.16 is: 43,429,002.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,224,840.16 : 78,969,184.56 = 31,470,728.16 : x
  2. Step 2: Convert to fraction form
    57,224,840.16/78,969,184.56 = 31,470,728.16/x
  3. Step 3: Cross multiply
    57,224,840.16x = 78,969,184.56 × 31,470,728.16
  4. Step 4: Simplify right side
    57,224,840.16x = 2,485,217,740,304,629.50
  5. Step 5: Solve for x
    x = 2,485,217,740,304,629.50/57,224,840.16
  6. Step 6: Final answer
    x = 43,429,002.74

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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.