Home / 76,112,841.12-114,137,069.04-30,662,432.16

Finding the Fourth Proportional to 76,112,841.12, 114,137,069.04 and 30,662,432.16

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Solution

The fourth proportional to 76,112,841.12, 114,137,069.04 and 30,662,432.16 is: 45,980,679.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,112,841.12 : 114,137,069.04 = 30,662,432.16 : x
  2. Step 2: Convert to fraction form
    76,112,841.12/114,137,069.04 = 30,662,432.16/x
  3. Step 3: Cross multiply
    76,112,841.12x = 114,137,069.04 × 30,662,432.16
  4. Step 4: Simplify right side
    76,112,841.12x = 3,499,720,136,380,236.50
  5. Step 5: Solve for x
    x = 3,499,720,136,380,236.50/76,112,841.12
  6. Step 6: Final answer
    x = 45,980,679.28

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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.