Home / 312,767,120.44-469,178,255.13-116,032,812.67

Finding the Fourth Proportional to 312,767,120.44, 469,178,255.13 and 116,032,812.67

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Solution

The fourth proportional to 312,767,120.44, 469,178,255.13 and 116,032,812.67 is: 174,059,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,767,120.44 : 469,178,255.13 = 116,032,812.67 : x
  2. Step 2: Convert to fraction form
    312,767,120.44/469,178,255.13 = 116,032,812.67/x
  3. Step 3: Cross multiply
    312,767,120.44x = 469,178,255.13 × 116,032,812.67
  4. Step 4: Simplify right side
    312,767,120.44x = 54,440,072,586,336,760
  5. Step 5: Solve for x
    x = 54,440,072,586,336,760/312,767,120.44
  6. Step 6: Final answer
    x = 174,059,448.80

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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.