Home / 67,214,421.60-100,821,632.40-33,152,085.60

Finding the Fourth Proportional to 67,214,421.60, 100,821,632.40 and 33,152,085.60

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Solution

The fourth proportional to 67,214,421.60, 100,821,632.40 and 33,152,085.60 is: 49,728,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,214,421.60 : 100,821,632.40 = 33,152,085.60 : x
  2. Step 2: Convert to fraction form
    67,214,421.60/100,821,632.40 = 33,152,085.60/x
  3. Step 3: Cross multiply
    67,214,421.60x = 100,821,632.40 × 33,152,085.60
  4. Step 4: Simplify right side
    67,214,421.60x = 3,342,447,387,656,534
  5. Step 5: Solve for x
    x = 3,342,447,387,656,534/67,214,421.60
  6. Step 6: Final answer
    x = 49,728,128.40

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Double scale
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Similar ratio
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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.