Home / 75,893,621.46-113,885,771.40-69,719,051.58

Finding the Fourth Proportional to 75,893,621.46, 113,885,771.40 and 69,719,051.58

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Solution

The fourth proportional to 75,893,621.46, 113,885,771.40 and 69,719,051.58 is: 104,620,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,893,621.46 : 113,885,771.40 = 69,719,051.58 : x
  2. Step 2: Convert to fraction form
    75,893,621.46/113,885,771.40 = 69,719,051.58/x
  3. Step 3: Cross multiply
    75,893,621.46x = 113,885,771.40 × 69,719,051.58
  4. Step 4: Simplify right side
    75,893,621.46x = 7,940,007,970,464,689
  5. Step 5: Solve for x
    x = 7,940,007,970,464,689/75,893,621.46
  6. Step 6: Final answer
    x = 104,620,227.86

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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.