Home / 74,705,984.64-112,080,635.28-30,978,623.88

Finding the Fourth Proportional to 74,705,984.64, 112,080,635.28 and 30,978,623.88

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Solution

The fourth proportional to 74,705,984.64, 112,080,635.28 and 30,978,623.88 is: 46,476,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,705,984.64 : 112,080,635.28 = 30,978,623.88 : x
  2. Step 2: Convert to fraction form
    74,705,984.64/112,080,635.28 = 30,978,623.88/x
  3. Step 3: Cross multiply
    74,705,984.64x = 112,080,635.28 × 30,978,623.88
  4. Step 4: Simplify right side
    74,705,984.64x = 3,472,103,844,570,578.50
  5. Step 5: Solve for x
    x = 3,472,103,844,570,578.50/74,705,984.64
  6. Step 6: Final answer
    x = 46,476,916.96

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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.