Home / 197,196,850.20-272,046,112.20-118,835,874.48

Finding the Fourth Proportional to 197,196,850.20, 272,046,112.20 and 118,835,874.48

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Solution

The fourth proportional to 197,196,850.20, 272,046,112.20 and 118,835,874.48 is: 163,941,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,196,850.20 : 272,046,112.20 = 118,835,874.48 : x
  2. Step 2: Convert to fraction form
    197,196,850.20/272,046,112.20 = 118,835,874.48/x
  3. Step 3: Cross multiply
    197,196,850.20x = 272,046,112.20 × 118,835,874.48
  4. Step 4: Simplify right side
    197,196,850.20x = 32,328,837,642,171,196
  5. Step 5: Solve for x
    x = 32,328,837,642,171,196/197,196,850.20
  6. Step 6: Final answer
    x = 163,941,957.54

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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.