Home / 74,931,660.94-112,405,201.62-28,284,437.42

Finding the Fourth Proportional to 74,931,660.94, 112,405,201.62 and 28,284,437.42

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Solution

The fourth proportional to 74,931,660.94, 112,405,201.62 and 28,284,437.42 is: 42,429,566.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,931,660.94 : 112,405,201.62 = 28,284,437.42 : x
  2. Step 2: Convert to fraction form
    74,931,660.94/112,405,201.62 = 28,284,437.42/x
  3. Step 3: Cross multiply
    74,931,660.94x = 112,405,201.62 × 28,284,437.42
  4. Step 4: Simplify right side
    74,931,660.94x = 3,179,317,891,078,318.50
  5. Step 5: Solve for x
    x = 3,179,317,891,078,318.50/74,931,660.94
  6. Step 6: Final answer
    x = 42,429,566.51

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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.