Home / 134,850,234-186,093,816.36-72,970,573.20

Finding the Fourth Proportional to 134,850,234, 186,093,816.36 and 72,970,573.20

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Solution

The fourth proportional to 134,850,234, 186,093,816.36 and 72,970,573.20 is: 100,699,658.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,850,234 : 186,093,816.36 = 72,970,573.20 : x
  2. Step 2: Convert to fraction form
    134,850,234/186,093,816.36 = 72,970,573.20/x
  3. Step 3: Cross multiply
    134,850,234x = 186,093,816.36 × 72,970,573.20
  4. Step 4: Simplify right side
    134,850,234x = 13,579,372,448,764,740
  5. Step 5: Solve for x
    x = 13,579,372,448,764,740/134,850,234
  6. Step 6: Final answer
    x = 100,699,658.03

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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.