Home / 193,552,691.60-290,329,037.40-85,847,315.60

Finding the Fourth Proportional to 193,552,691.60, 290,329,037.40 and 85,847,315.60

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Solution

The fourth proportional to 193,552,691.60, 290,329,037.40 and 85,847,315.60 is: 128,770,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,552,691.60 : 290,329,037.40 = 85,847,315.60 : x
  2. Step 2: Convert to fraction form
    193,552,691.60/290,329,037.40 = 85,847,315.60/x
  3. Step 3: Cross multiply
    193,552,691.60x = 290,329,037.40 × 85,847,315.60
  4. Step 4: Simplify right side
    193,552,691.60x = 24,923,968,501,522,000
  5. Step 5: Solve for x
    x = 24,923,968,501,522,000/193,552,691.60
  6. Step 6: Final answer
    x = 128,770,973.40

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1.5x scale

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.