Home / 261,179,762.22-391,339,173.24-151,697,601.81

Finding the Fourth Proportional to 261,179,762.22, 391,339,173.24 and 151,697,601.81

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Solution

The fourth proportional to 261,179,762.22, 391,339,173.24 and 151,697,601.81 is: 227,296,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,179,762.22 : 391,339,173.24 = 151,697,601.81 : x
  2. Step 2: Convert to fraction form
    261,179,762.22/391,339,173.24 = 151,697,601.81/x
  3. Step 3: Cross multiply
    261,179,762.22x = 391,339,173.24 × 151,697,601.81
  4. Step 4: Simplify right side
    261,179,762.22x = 59,365,214,074,816,128
  5. Step 5: Solve for x
    x = 59,365,214,074,816,128/261,179,762.22
  6. Step 6: Final answer
    x = 227,296,378.44

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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.