Home / 215,636,523.44-297,722,042.72-127,558,816.32

Finding the Fourth Proportional to 215,636,523.44, 297,722,042.72 and 127,558,816.32

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Solution

The fourth proportional to 215,636,523.44, 297,722,042.72 and 127,558,816.32 is: 176,116,136.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,636,523.44 : 297,722,042.72 = 127,558,816.32 : x
  2. Step 2: Convert to fraction form
    215,636,523.44/297,722,042.72 = 127,558,816.32/x
  3. Step 3: Cross multiply
    215,636,523.44x = 297,722,042.72 × 127,558,816.32
  4. Step 4: Simplify right side
    215,636,523.44x = 37,977,071,361,735,672
  5. Step 5: Solve for x
    x = 37,977,071,361,735,672/215,636,523.44
  6. Step 6: Final answer
    x = 176,116,136.34

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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.