Home / 76,630,630.60-114,945,945.90-68,316,531.40

Finding the Fourth Proportional to 76,630,630.60, 114,945,945.90 and 68,316,531.40

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Solution

The fourth proportional to 76,630,630.60, 114,945,945.90 and 68,316,531.40 is: 102,474,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,630,630.60 : 114,945,945.90 = 68,316,531.40 : x
  2. Step 2: Convert to fraction form
    76,630,630.60/114,945,945.90 = 68,316,531.40/x
  3. Step 3: Cross multiply
    76,630,630.60x = 114,945,945.90 × 68,316,531.40
  4. Step 4: Simplify right side
    76,630,630.60x = 7,852,708,322,380,052
  5. Step 5: Solve for x
    x = 7,852,708,322,380,052/76,630,630.60
  6. Step 6: Final answer
    x = 102,474,797.10

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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.