Home / 106,747,871.22-160,007,214.87-45,285,169.53

Finding the Fourth Proportional to 106,747,871.22, 160,007,214.87 and 45,285,169.53

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Solution

The fourth proportional to 106,747,871.22, 160,007,214.87 and 45,285,169.53 is: 67,879,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,747,871.22 : 160,007,214.87 = 45,285,169.53 : x
  2. Step 2: Convert to fraction form
    106,747,871.22/160,007,214.87 = 45,285,169.53/x
  3. Step 3: Cross multiply
    106,747,871.22x = 160,007,214.87 × 45,285,169.53
  4. Step 4: Simplify right side
    106,747,871.22x = 7,245,953,851,411,087
  5. Step 5: Solve for x
    x = 7,245,953,851,411,087/106,747,871.22
  6. Step 6: Final answer
    x = 67,879,141.46

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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.