Home / 121,363,858.34-167,498,509.13-68,451,427.25

Finding the Fourth Proportional to 121,363,858.34, 167,498,509.13 and 68,451,427.25

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Solution

The fourth proportional to 121,363,858.34, 167,498,509.13 and 68,451,427.25 is: 94,472,210.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,363,858.34 : 167,498,509.13 = 68,451,427.25 : x
  2. Step 2: Convert to fraction form
    121,363,858.34/167,498,509.13 = 68,451,427.25/x
  3. Step 3: Cross multiply
    121,363,858.34x = 167,498,509.13 × 68,451,427.25
  4. Step 4: Simplify right side
    121,363,858.34x = 11,465,512,011,900,718
  5. Step 5: Solve for x
    x = 11,465,512,011,900,718/121,363,858.34
  6. Step 6: Final answer
    x = 94,472,210.83

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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.