Home / 197,808,997.52-272,992,758.35-109,731,392.48

Finding the Fourth Proportional to 197,808,997.52, 272,992,758.35 and 109,731,392.48

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Solution

The fourth proportional to 197,808,997.52, 272,992,758.35 and 109,731,392.48 is: 151,438,386.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,808,997.52 : 272,992,758.35 = 109,731,392.48 : x
  2. Step 2: Convert to fraction form
    197,808,997.52/272,992,758.35 = 109,731,392.48/x
  3. Step 3: Cross multiply
    197,808,997.52x = 272,992,758.35 × 109,731,392.48
  4. Step 4: Simplify right side
    197,808,997.52x = 29,955,875,508,788,028
  5. Step 5: Solve for x
    x = 29,955,875,508,788,028/197,808,997.52
  6. Step 6: Final answer
    x = 151,438,386.95

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