Home / 209,026,640-288,457,884.82-114,946,853.58

Finding the Fourth Proportional to 209,026,640, 288,457,884.82 and 114,946,853.58

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Solution

The fourth proportional to 209,026,640, 288,457,884.82 and 114,946,853.58 is: 158,627,274.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,026,640 : 288,457,884.82 = 114,946,853.58 : x
  2. Step 2: Convert to fraction form
    209,026,640/288,457,884.82 = 114,946,853.58/x
  3. Step 3: Cross multiply
    209,026,640x = 288,457,884.82 × 114,946,853.58
  4. Step 4: Simplify right side
    209,026,640x = 33,157,326,250,401,044
  5. Step 5: Solve for x
    x = 33,157,326,250,401,044/209,026,640
  6. Step 6: Final answer
    x = 158,627,274.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.