Home / 64,995,485.06-89,641,469.93-57,138,197.37

Finding the Fourth Proportional to 64,995,485.06, 89,641,469.93 and 57,138,197.37

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Solution

The fourth proportional to 64,995,485.06, 89,641,469.93 and 57,138,197.37 is: 78,804,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,995,485.06 : 89,641,469.93 = 57,138,197.37 : x
  2. Step 2: Convert to fraction form
    64,995,485.06/89,641,469.93 = 57,138,197.37/x
  3. Step 3: Cross multiply
    64,995,485.06x = 89,641,469.93 × 57,138,197.37
  4. Step 4: Simplify right side
    64,995,485.06x = 5,121,952,001,111,569
  5. Step 5: Solve for x
    x = 5,121,952,001,111,569/64,995,485.06
  6. Step 6: Final answer
    x = 78,804,735.39

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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.