Home / 72,654,804.69-100,264,098.33-39,615,598.05

Finding the Fourth Proportional to 72,654,804.69, 100,264,098.33 and 39,615,598.05

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Solution

The fourth proportional to 72,654,804.69, 100,264,098.33 and 39,615,598.05 is: 54,669,780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,654,804.69 : 100,264,098.33 = 39,615,598.05 : x
  2. Step 2: Convert to fraction form
    72,654,804.69/100,264,098.33 = 39,615,598.05/x
  3. Step 3: Cross multiply
    72,654,804.69x = 100,264,098.33 × 39,615,598.05
  4. Step 4: Simplify right side
    72,654,804.69x = 3,972,022,218,286,956
  5. Step 5: Solve for x
    x = 3,972,022,218,286,956/72,654,804.69
  6. Step 6: Final answer
    x = 54,669,780.41

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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.