Home / 214,380,004.40-321,570,006.60-132,750,666.80

Finding the Fourth Proportional to 214,380,004.40, 321,570,006.60 and 132,750,666.80

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Solution

The fourth proportional to 214,380,004.40, 321,570,006.60 and 132,750,666.80 is: 199,126,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,380,004.40 : 321,570,006.60 = 132,750,666.80 : x
  2. Step 2: Convert to fraction form
    214,380,004.40/321,570,006.60 = 132,750,666.80/x
  3. Step 3: Cross multiply
    214,380,004.40x = 321,570,006.60 × 132,750,666.80
  4. Step 4: Simplify right side
    214,380,004.40x = 42,688,632,799,030,400
  5. Step 5: Solve for x
    x = 42,688,632,799,030,400/214,380,004.40
  6. Step 6: Final answer
    x = 199,126,000.20

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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.