Home / 76,630,629.60-114,945,944.40-68,316,530.40

Finding the Fourth Proportional to 76,630,629.60, 114,945,944.40 and 68,316,530.40

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Solution

The fourth proportional to 76,630,629.60, 114,945,944.40 and 68,316,530.40 is: 102,474,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,630,629.60 : 114,945,944.40 = 68,316,530.40 : x
  2. Step 2: Convert to fraction form
    76,630,629.60/114,945,944.40 = 68,316,530.40/x
  3. Step 3: Cross multiply
    76,630,629.60x = 114,945,944.40 × 68,316,530.40
  4. Step 4: Simplify right side
    76,630,629.60x = 7,852,708,104,959,311
  5. Step 5: Solve for x
    x = 7,852,708,104,959,311/76,630,629.60
  6. Step 6: Final answer
    x = 102,474,795.60

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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.