Home / 194,383,916-268,255,402.80-107,469,386.72

Finding the Fourth Proportional to 194,383,916, 268,255,402.80 and 107,469,386.72

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Solution

The fourth proportional to 194,383,916, 268,255,402.80 and 107,469,386.72 is: 148,310,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,383,916 : 268,255,402.80 = 107,469,386.72 : x
  2. Step 2: Convert to fraction form
    194,383,916/268,255,402.80 = 107,469,386.72/x
  3. Step 3: Cross multiply
    194,383,916x = 268,255,402.80 × 107,469,386.72
  4. Step 4: Simplify right side
    194,383,916x = 28,829,243,623,242,572
  5. Step 5: Solve for x
    x = 28,829,243,623,242,572/194,383,916
  6. Step 6: Final answer
    x = 148,310,849.05

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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.