Home / 205,494,030.76-283,622,960.34-121,908,556.60

Finding the Fourth Proportional to 205,494,030.76, 283,622,960.34 and 121,908,556.60

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Solution

The fourth proportional to 205,494,030.76, 283,622,960.34 and 121,908,556.60 is: 168,258,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,494,030.76 : 283,622,960.34 = 121,908,556.60 : x
  2. Step 2: Convert to fraction form
    205,494,030.76/283,622,960.34 = 121,908,556.60/x
  3. Step 3: Cross multiply
    205,494,030.76x = 283,622,960.34 × 121,908,556.60
  4. Step 4: Simplify right side
    205,494,030.76x = 34,576,065,713,668,440
  5. Step 5: Solve for x
    x = 34,576,065,713,668,440/205,494,030.76
  6. Step 6: Final answer
    x = 168,258,248.60

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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.