Home / 197,274,546.33-272,243,315.89-127,780,885.40

Finding the Fourth Proportional to 197,274,546.33, 272,243,315.89 and 127,780,885.40

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Solution

The fourth proportional to 197,274,546.33, 272,243,315.89 and 127,780,885.40 is: 176,340,499.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,274,546.33 : 272,243,315.89 = 127,780,885.40 : x
  2. Step 2: Convert to fraction form
    197,274,546.33/272,243,315.89 = 127,780,885.40/x
  3. Step 3: Cross multiply
    197,274,546.33x = 272,243,315.89 × 127,780,885.40
  4. Step 4: Simplify right side
    197,274,546.33x = 34,787,491,947,454,600
  5. Step 5: Solve for x
    x = 34,787,491,947,454,600/197,274,546.33
  6. Step 6: Final answer
    x = 176,340,499.04

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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.