Home / 81,413,945.26-122,020,867.85-37,635,486.01

Finding the Fourth Proportional to 81,413,945.26, 122,020,867.85 and 37,635,486.01

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Solution

The fourth proportional to 81,413,945.26, 122,020,867.85 and 37,635,486.01 is: 56,406,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,413,945.26 : 122,020,867.85 = 37,635,486.01 : x
  2. Step 2: Convert to fraction form
    81,413,945.26/122,020,867.85 = 37,635,486.01/x
  3. Step 3: Cross multiply
    81,413,945.26x = 122,020,867.85 × 37,635,486.01
  4. Step 4: Simplify right side
    81,413,945.26x = 4,592,314,664,403,504
  5. Step 5: Solve for x
    x = 4,592,314,664,403,504/81,413,945.26
  6. Step 6: Final answer
    x = 56,406,978.56

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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.