Home / 55,911,622.32-77,145,273.72-31,456,413.36

Finding the Fourth Proportional to 55,911,622.32, 77,145,273.72 and 31,456,413.36

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Solution

The fourth proportional to 55,911,622.32, 77,145,273.72 and 31,456,413.36 is: 43,402,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,911,622.32 : 77,145,273.72 = 31,456,413.36 : x
  2. Step 2: Convert to fraction form
    55,911,622.32/77,145,273.72 = 31,456,413.36/x
  3. Step 3: Cross multiply
    55,911,622.32x = 77,145,273.72 × 31,456,413.36
  4. Step 4: Simplify right side
    55,911,622.32x = 2,426,713,618,906,665
  5. Step 5: Solve for x
    x = 2,426,713,618,906,665/55,911,622.32
  6. Step 6: Final answer
    x = 43,402,668.68

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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.