Home / 197,308,173.02-272,285,861.38-109,208,289.74

Finding the Fourth Proportional to 197,308,173.02, 272,285,861.38 and 109,208,289.74

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Solution

The fourth proportional to 197,308,173.02, 272,285,861.38 and 109,208,289.74 is: 150,707,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,308,173.02 : 272,285,861.38 = 109,208,289.74 : x
  2. Step 2: Convert to fraction form
    197,308,173.02/272,285,861.38 = 109,208,289.74/x
  3. Step 3: Cross multiply
    197,308,173.02x = 272,285,861.38 × 109,208,289.74
  4. Step 4: Simplify right side
    197,308,173.02x = 29,735,873,240,058,064
  5. Step 5: Solve for x
    x = 29,735,873,240,058,064/197,308,173.02
  6. Step 6: Final answer
    x = 150,707,762.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.