Home / 73,308,843.60-109,963,265.40-58,080,325.20

Finding the Fourth Proportional to 73,308,843.60, 109,963,265.40 and 58,080,325.20

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Solution

The fourth proportional to 73,308,843.60, 109,963,265.40 and 58,080,325.20 is: 87,120,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,308,843.60 : 109,963,265.40 = 58,080,325.20 : x
  2. Step 2: Convert to fraction form
    73,308,843.60/109,963,265.40 = 58,080,325.20/x
  3. Step 3: Cross multiply
    73,308,843.60x = 109,963,265.40 × 58,080,325.20
  4. Step 4: Simplify right side
    73,308,843.60x = 6,386,702,214,485,909
  5. Step 5: Solve for x
    x = 6,386,702,214,485,909/73,308,843.60
  6. Step 6: Final answer
    x = 87,120,487.80

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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.