Home / 205,493,894.82-283,622,772.56-121,908,420.72

Finding the Fourth Proportional to 205,493,894.82, 283,622,772.56 and 121,908,420.72

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Solution

The fourth proportional to 205,493,894.82, 283,622,772.56 and 121,908,420.72 is: 168,258,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,493,894.82 : 283,622,772.56 = 121,908,420.72 : x
  2. Step 2: Convert to fraction form
    205,493,894.82/283,622,772.56 = 121,908,420.72/x
  3. Step 3: Cross multiply
    205,493,894.82x = 283,622,772.56 × 121,908,420.72
  4. Step 4: Simplify right side
    205,493,894.82x = 34,576,004,282,407,808
  5. Step 5: Solve for x
    x = 34,576,004,282,407,808/205,493,894.82
  6. Step 6: Final answer
    x = 168,258,060.96

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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.