Home / 140,803,026.04-194,317,155.66-78,923,380.60

Finding the Fourth Proportional to 140,803,026.04, 194,317,155.66 and 78,923,380.60

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Solution

The fourth proportional to 140,803,026.04, 194,317,155.66 and 78,923,380.60 is: 108,919,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,803,026.04 : 194,317,155.66 = 78,923,380.60 : x
  2. Step 2: Convert to fraction form
    140,803,026.04/194,317,155.66 = 78,923,380.60/x
  3. Step 3: Cross multiply
    140,803,026.04x = 194,317,155.66 × 78,923,380.60
  4. Step 4: Simplify right side
    140,803,026.04x = 15,336,166,833,263,622
  5. Step 5: Solve for x
    x = 15,336,166,833,263,622/140,803,026.04
  6. Step 6: Final answer
    x = 108,919,298.57

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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.