Home / 168,588,047.20-252,756,099.60-91,997,557.60

Finding the Fourth Proportional to 168,588,047.20, 252,756,099.60 and 91,997,557.60

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Solution

The fourth proportional to 168,588,047.20, 252,756,099.60 and 91,997,557.60 is: 137,927,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,588,047.20 : 252,756,099.60 = 91,997,557.60 : x
  2. Step 2: Convert to fraction form
    168,588,047.20/252,756,099.60 = 91,997,557.60/x
  3. Step 3: Cross multiply
    168,588,047.20x = 252,756,099.60 × 91,997,557.60
  4. Step 4: Simplify right side
    168,588,047.20x = 23,252,943,831,702,336
  5. Step 5: Solve for x
    x = 23,252,943,831,702,336/168,588,047.20
  6. Step 6: Final answer
    x = 137,927,594.62

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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.