Home / 193,152,284.80-289,728,427.20-131,930,281.60

Finding the Fourth Proportional to 193,152,284.80, 289,728,427.20 and 131,930,281.60

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Solution

The fourth proportional to 193,152,284.80, 289,728,427.20 and 131,930,281.60 is: 197,895,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,152,284.80 : 289,728,427.20 = 131,930,281.60 : x
  2. Step 2: Convert to fraction form
    193,152,284.80/289,728,427.20 = 131,930,281.60/x
  3. Step 3: Cross multiply
    193,152,284.80x = 289,728,427.20 × 131,930,281.60
  4. Step 4: Simplify right side
    193,152,284.80x = 38,223,952,988,021,096
  5. Step 5: Solve for x
    x = 38,223,952,988,021,096/193,152,284.80
  6. Step 6: Final answer
    x = 197,895,422.40

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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.