Home / 81,413,945.01-122,020,867.47-37,635,485.75

Finding the Fourth Proportional to 81,413,945.01, 122,020,867.47 and 37,635,485.75

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Solution

The fourth proportional to 81,413,945.01, 122,020,867.47 and 37,635,485.75 is: 56,406,978.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,413,945.01 : 122,020,867.47 = 37,635,485.75 : x
  2. Step 2: Convert to fraction form
    81,413,945.01/122,020,867.47 = 37,635,485.75/x
  3. Step 3: Cross multiply
    81,413,945.01x = 122,020,867.47 × 37,635,485.75
  4. Step 4: Simplify right side
    81,413,945.01x = 4,592,314,618,869,824
  5. Step 5: Solve for x
    x = 4,592,314,618,869,824/81,413,945.01
  6. Step 6: Final answer
    x = 56,406,978.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.