Home / 179,475,519.56-247,880,519.53-120,636,031.73

Finding the Fourth Proportional to 179,475,519.56, 247,880,519.53 and 120,636,031.73

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Solution

The fourth proportional to 179,475,519.56, 247,880,519.53 and 120,636,031.73 is: 166,615,047.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,475,519.56 : 247,880,519.53 = 120,636,031.73 : x
  2. Step 2: Convert to fraction form
    179,475,519.56/247,880,519.53 = 120,636,031.73/x
  3. Step 3: Cross multiply
    179,475,519.56x = 247,880,519.53 × 120,636,031.73
  4. Step 4: Simplify right side
    179,475,519.56x = 29,903,322,217,728,972
  5. Step 5: Solve for x
    x = 29,903,322,217,728,972/179,475,519.56
  6. Step 6: Final answer
    x = 166,615,047.51

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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.