Home / 128,305,600.40-192,458,400.60-37,417,379.60

Finding the Fourth Proportional to 128,305,600.40, 192,458,400.60 and 37,417,379.60

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Solution

The fourth proportional to 128,305,600.40, 192,458,400.60 and 37,417,379.60 is: 56,126,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,305,600.40 : 192,458,400.60 = 37,417,379.60 : x
  2. Step 2: Convert to fraction form
    128,305,600.40/192,458,400.60 = 37,417,379.60/x
  3. Step 3: Cross multiply
    128,305,600.40x = 192,458,400.60 × 37,417,379.60
  4. Step 4: Simplify right side
    128,305,600.40x = 7,201,289,032,459,068
  5. Step 5: Solve for x
    x = 7,201,289,032,459,068/128,305,600.40
  6. Step 6: Final answer
    x = 56,126,069.40

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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.