Home / 178,963,291.96-246,967,001.94-100,646,821.96

Finding the Fourth Proportional to 178,963,291.96, 246,967,001.94 and 100,646,821.96

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Solution

The fourth proportional to 178,963,291.96, 246,967,001.94 and 100,646,821.96 is: 138,891,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,963,291.96 : 246,967,001.94 = 100,646,821.96 : x
  2. Step 2: Convert to fraction form
    178,963,291.96/246,967,001.94 = 100,646,821.96/x
  3. Step 3: Cross multiply
    178,963,291.96x = 246,967,001.94 × 100,646,821.96
  4. Step 4: Simplify right side
    178,963,291.96x = 24,856,443,874,250,152
  5. Step 5: Solve for x
    x = 24,856,443,874,250,152/178,963,291.96
  6. Step 6: Final answer
    x = 138,891,297.77

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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.