Home / 314,928,680.70-472,393,021.05-142,741,796.70

Finding the Fourth Proportional to 314,928,680.70, 472,393,021.05 and 142,741,796.70

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Solution

The fourth proportional to 314,928,680.70, 472,393,021.05 and 142,741,796.70 is: 214,112,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,680.70 : 472,393,021.05 = 142,741,796.70 : x
  2. Step 2: Convert to fraction form
    314,928,680.70/472,393,021.05 = 142,741,796.70/x
  3. Step 3: Cross multiply
    314,928,680.70x = 472,393,021.05 × 142,741,796.70
  4. Step 4: Simplify right side
    314,928,680.70x = 67,430,228,573,217,920
  5. Step 5: Solve for x
    x = 67,430,228,573,217,920/314,928,680.70
  6. Step 6: Final answer
    x = 214,112,695.05

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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.