Home / 128,196,014.40-192,294,021.60-60,171,566.40

Finding the Fourth Proportional to 128,196,014.40, 192,294,021.60 and 60,171,566.40

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Solution

The fourth proportional to 128,196,014.40, 192,294,021.60 and 60,171,566.40 is: 90,257,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,196,014.40 : 192,294,021.60 = 60,171,566.40 : x
  2. Step 2: Convert to fraction form
    128,196,014.40/192,294,021.60 = 60,171,566.40/x
  3. Step 3: Cross multiply
    128,196,014.40x = 192,294,021.60 × 60,171,566.40
  4. Step 4: Simplify right side
    128,196,014.40x = 11,570,632,489,027,434
  5. Step 5: Solve for x
    x = 11,570,632,489,027,434/128,196,014.40
  6. Step 6: Final answer
    x = 90,257,349.60

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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.