Home / 119,191,745.70-178,787,618.55-103,035,939.30

Finding the Fourth Proportional to 119,191,745.70, 178,787,618.55 and 103,035,939.30

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Solution

The fourth proportional to 119,191,745.70, 178,787,618.55 and 103,035,939.30 is: 154,553,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,191,745.70 : 178,787,618.55 = 103,035,939.30 : x
  2. Step 2: Convert to fraction form
    119,191,745.70/178,787,618.55 = 103,035,939.30/x
  3. Step 3: Cross multiply
    119,191,745.70x = 178,787,618.55 × 103,035,939.30
  4. Step 4: Simplify right side
    119,191,745.70x = 18,421,550,212,509,356
  5. Step 5: Solve for x
    x = 18,421,550,212,509,356/119,191,745.70
  6. Step 6: Final answer
    x = 154,553,908.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.