Home / 69,197,349.60-103,725,165.60-40,428,676.80

Finding the Fourth Proportional to 69,197,349.60, 103,725,165.60 and 40,428,676.80

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Solution

The fourth proportional to 69,197,349.60, 103,725,165.60 and 40,428,676.80 is: 60,601,615.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,197,349.60 : 103,725,165.60 = 40,428,676.80 : x
  2. Step 2: Convert to fraction form
    69,197,349.60/103,725,165.60 = 40,428,676.80/x
  3. Step 3: Cross multiply
    69,197,349.60x = 103,725,165.60 × 40,428,676.80
  4. Step 4: Simplify right side
    69,197,349.60x = 4,193,471,196,068,877.50
  5. Step 5: Solve for x
    x = 4,193,471,196,068,877.50/69,197,349.60
  6. Step 6: Final answer
    x = 60,601,615.82

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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.