Home / 54,579,621.38-75,326,482.20-31,063,875.64

Finding the Fourth Proportional to 54,579,621.38, 75,326,482.20 and 31,063,875.64

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Solution

The fourth proportional to 54,579,621.38, 75,326,482.20 and 31,063,875.64 is: 42,871,907.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,579,621.38 : 75,326,482.20 = 31,063,875.64 : x
  2. Step 2: Convert to fraction form
    54,579,621.38/75,326,482.20 = 31,063,875.64/x
  3. Step 3: Cross multiply
    54,579,621.38x = 75,326,482.20 × 31,063,875.64
  4. Step 4: Simplify right side
    54,579,621.38x = 2,339,932,475,459,473.50
  5. Step 5: Solve for x
    x = 2,339,932,475,459,473.50/54,579,621.38
  6. Step 6: Final answer
    x = 42,871,907.43

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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.