Home / 108,634,999.20-162,952,498.80-47,253,563.70

Finding the Fourth Proportional to 108,634,999.20, 162,952,498.80 and 47,253,563.70

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Solution

The fourth proportional to 108,634,999.20, 162,952,498.80 and 47,253,563.70 is: 70,880,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,634,999.20 : 162,952,498.80 = 47,253,563.70 : x
  2. Step 2: Convert to fraction form
    108,634,999.20/162,952,498.80 = 47,253,563.70/x
  3. Step 3: Cross multiply
    108,634,999.20x = 162,952,498.80 × 47,253,563.70
  4. Step 4: Simplify right side
    108,634,999.20x = 7,700,086,282,119,975
  5. Step 5: Solve for x
    x = 7,700,086,282,119,975/108,634,999.20
  6. Step 6: Final answer
    x = 70,880,345.55

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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.