Home / 85,034,712.37-117,351,619.23-47,867,390.95

Finding the Fourth Proportional to 85,034,712.37, 117,351,619.23 and 47,867,390.95

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Solution

The fourth proportional to 85,034,712.37, 117,351,619.23 and 47,867,390.95 is: 66,059,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,034,712.37 : 117,351,619.23 = 47,867,390.95 : x
  2. Step 2: Convert to fraction form
    85,034,712.37/117,351,619.23 = 47,867,390.95/x
  3. Step 3: Cross multiply
    85,034,712.37x = 117,351,619.23 × 47,867,390.95
  4. Step 4: Simplify right side
    85,034,712.37x = 5,617,315,836,485,169
  5. Step 5: Solve for x
    x = 5,617,315,836,485,169/85,034,712.37
  6. Step 6: Final answer
    x = 66,059,091.40

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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.