Home / 68,296,560.78-94,248,076.85-38,527,273.21

Finding the Fourth Proportional to 68,296,560.78, 94,248,076.85 and 38,527,273.21

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Solution

The fourth proportional to 68,296,560.78, 94,248,076.85 and 38,527,273.21 is: 53,166,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,296,560.78 : 94,248,076.85 = 38,527,273.21 : x
  2. Step 2: Convert to fraction form
    68,296,560.78/94,248,076.85 = 38,527,273.21/x
  3. Step 3: Cross multiply
    68,296,560.78x = 94,248,076.85 × 38,527,273.21
  4. Step 4: Simplify right side
    68,296,560.78x = 3,631,121,406,317,026
  5. Step 5: Solve for x
    x = 3,631,121,406,317,026/68,296,560.78
  6. Step 6: Final answer
    x = 53,166,973.05

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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.