Home / 209,273,346.78-313,142,276.79-174,644,264.58

Finding the Fourth Proportional to 209,273,346.78, 313,142,276.79 and 174,644,264.58

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Solution

The fourth proportional to 209,273,346.78, 313,142,276.79 and 174,644,264.58 is: 261,325,694.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,273,346.78 : 313,142,276.79 = 174,644,264.58 : x
  2. Step 2: Convert to fraction form
    209,273,346.78/313,142,276.79 = 174,644,264.58/x
  3. Step 3: Cross multiply
    209,273,346.78x = 313,142,276.79 × 174,644,264.58
  4. Step 4: Simplify right side
    209,273,346.78x = 54,688,502,638,896,360
  5. Step 5: Solve for x
    x = 54,688,502,638,896,360/209,273,346.78
  6. Step 6: Final answer
    x = 261,325,694.27

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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.