Home / 57,202,935.48-78,936,698.80-31,097,224.95

Finding the Fourth Proportional to 57,202,935.48, 78,936,698.80 and 31,097,224.95

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Solution

The fourth proportional to 57,202,935.48, 78,936,698.80 and 31,097,224.95 is: 42,912,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,202,935.48 : 78,936,698.80 = 31,097,224.95 : x
  2. Step 2: Convert to fraction form
    57,202,935.48/78,936,698.80 = 31,097,224.95/x
  3. Step 3: Cross multiply
    57,202,935.48x = 78,936,698.80 × 31,097,224.95
  4. Step 4: Simplify right side
    57,202,935.48x = 2,454,712,279,393,995
  5. Step 5: Solve for x
    x = 2,454,712,279,393,995/57,202,935.48
  6. Step 6: Final answer
    x = 42,912,348.10

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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.