Home / 118,321,438.88-178,289,789.30-97,228,545.60

Finding the Fourth Proportional to 118,321,438.88, 178,289,789.30 and 97,228,545.60

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Solution

The fourth proportional to 118,321,438.88, 178,289,789.30 and 97,228,545.60 is: 146,506,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,321,438.88 : 178,289,789.30 = 97,228,545.60 : x
  2. Step 2: Convert to fraction form
    118,321,438.88/178,289,789.30 = 97,228,545.60/x
  3. Step 3: Cross multiply
    118,321,438.88x = 178,289,789.30 × 97,228,545.60
  4. Step 4: Simplify right side
    118,321,438.88x = 17,334,856,908,969,442
  5. Step 5: Solve for x
    x = 17,334,856,908,969,442/118,321,438.88
  6. Step 6: Final answer
    x = 146,506,474.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.