Home / 239,179,640.40-358,769,460.60-208,946,552.40

Finding the Fourth Proportional to 239,179,640.40, 358,769,460.60 and 208,946,552.40

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Solution

The fourth proportional to 239,179,640.40, 358,769,460.60 and 208,946,552.40 is: 313,419,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,179,640.40 : 358,769,460.60 = 208,946,552.40 : x
  2. Step 2: Convert to fraction form
    239,179,640.40/358,769,460.60 = 208,946,552.40/x
  3. Step 3: Cross multiply
    239,179,640.40x = 358,769,460.60 × 208,946,552.40
  4. Step 4: Simplify right side
    239,179,640.40x = 74,963,641,898,777,648
  5. Step 5: Solve for x
    x = 74,963,641,898,777,648/239,179,640.40
  6. Step 6: Final answer
    x = 313,419,828.60

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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.