Home / 76,892,318.40-106,099,985.12-46,701,104.32

Finding the Fourth Proportional to 76,892,318.40, 106,099,985.12 and 46,701,104.32

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Solution

The fourth proportional to 76,892,318.40, 106,099,985.12 and 46,701,104.32 is: 64,440,591.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,892,318.40 : 106,099,985.12 = 46,701,104.32 : x
  2. Step 2: Convert to fraction form
    76,892,318.40/106,099,985.12 = 46,701,104.32/x
  3. Step 3: Cross multiply
    76,892,318.40x = 106,099,985.12 × 46,701,104.32
  4. Step 4: Simplify right side
    76,892,318.40x = 4,954,986,473,439,568
  5. Step 5: Solve for x
    x = 4,954,986,473,439,568/76,892,318.40
  6. Step 6: Final answer
    x = 64,440,591.42

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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.