Home / 186,789,785.70-280,184,678.55-118,933,299.30

Finding the Fourth Proportional to 186,789,785.70, 280,184,678.55 and 118,933,299.30

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Solution

The fourth proportional to 186,789,785.70, 280,184,678.55 and 118,933,299.30 is: 178,399,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,789,785.70 : 280,184,678.55 = 118,933,299.30 : x
  2. Step 2: Convert to fraction form
    186,789,785.70/280,184,678.55 = 118,933,299.30/x
  3. Step 3: Cross multiply
    186,789,785.70x = 280,184,678.55 × 118,933,299.30
  4. Step 4: Simplify right side
    186,789,785.70x = 33,323,288,233,261,440
  5. Step 5: Solve for x
    x = 33,323,288,233,261,440/186,789,785.70
  6. Step 6: Final answer
    x = 178,399,948.95

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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.