Home / 150,151,542.40-207,199,987.26-83,166,529.93

Finding the Fourth Proportional to 150,151,542.40, 207,199,987.26 and 83,166,529.93

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Solution

The fourth proportional to 150,151,542.40, 207,199,987.26 and 83,166,529.93 is: 114,764,748.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,151,542.40 : 207,199,987.26 = 83,166,529.93 : x
  2. Step 2: Convert to fraction form
    150,151,542.40/207,199,987.26 = 83,166,529.93/x
  3. Step 3: Cross multiply
    150,151,542.40x = 207,199,987.26 × 83,166,529.93
  4. Step 4: Simplify right side
    150,151,542.40x = 17,232,103,942,523,732
  5. Step 5: Solve for x
    x = 17,232,103,942,523,732/150,151,542.40
  6. Step 6: Final answer
    x = 114,764,748.12

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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.