Home / 171,692,551.78-257,653,630.32-73,347,241.45

Finding the Fourth Proportional to 171,692,551.78, 257,653,630.32 and 73,347,241.45

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Solution

The fourth proportional to 171,692,551.78, 257,653,630.32 and 73,347,241.45 is: 110,069,905.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,692,551.78 : 257,653,630.32 = 73,347,241.45 : x
  2. Step 2: Convert to fraction form
    171,692,551.78/257,653,630.32 = 73,347,241.45/x
  3. Step 3: Cross multiply
    171,692,551.78x = 257,653,630.32 × 73,347,241.45
  4. Step 4: Simplify right side
    171,692,551.78x = 18,898,183,033,113,996
  5. Step 5: Solve for x
    x = 18,898,183,033,113,996/171,692,551.78
  6. Step 6: Final answer
    x = 110,069,905.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.