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Finding the Fourth Proportional to 35,602,907.80, 53,404,361.70 and 22,165,979.80

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Solution

The fourth proportional to 35,602,907.80, 53,404,361.70 and 22,165,979.80 is: 33,248,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,602,907.80 : 53,404,361.70 = 22,165,979.80 : x
  2. Step 2: Convert to fraction form
    35,602,907.80/53,404,361.70 = 22,165,979.80/x
  3. Step 3: Cross multiply
    35,602,907.80x = 53,404,361.70 × 22,165,979.80
  4. Step 4: Simplify right side
    35,602,907.80x = 1,183,760,002,674,093.75
  5. Step 5: Solve for x
    x = 1,183,760,002,674,093.75/35,602,907.80
  6. Step 6: Final answer
    x = 33,248,969.70

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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.