Home / 54,132,039.64-74,695,331.46-30,928,669.48

Finding the Fourth Proportional to 54,132,039.64, 74,695,331.46 and 30,928,669.48

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Solution

The fourth proportional to 54,132,039.64, 74,695,331.46 and 30,928,669.48 is: 42,677,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,132,039.64 : 74,695,331.46 = 30,928,669.48 : x
  2. Step 2: Convert to fraction form
    54,132,039.64/74,695,331.46 = 30,928,669.48/x
  3. Step 3: Cross multiply
    54,132,039.64x = 74,695,331.46 × 30,928,669.48
  4. Step 4: Simplify right side
    54,132,039.64x = 2,310,227,218,425,385.50
  5. Step 5: Solve for x
    x = 2,310,227,218,425,385.50/54,132,039.64
  6. Step 6: Final answer
    x = 42,677,631.10

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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.