Home / 308,259,420.52-462,065,453.34-103,716,483.88

Finding the Fourth Proportional to 308,259,420.52, 462,065,453.34 and 103,716,483.88

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Solution

The fourth proportional to 308,259,420.52, 462,065,453.34 and 103,716,483.88 is: 155,465,821.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,259,420.52 : 462,065,453.34 = 103,716,483.88 : x
  2. Step 2: Convert to fraction form
    308,259,420.52/462,065,453.34 = 103,716,483.88/x
  3. Step 3: Cross multiply
    308,259,420.52x = 462,065,453.34 × 103,716,483.88
  4. Step 4: Simplify right side
    308,259,420.52x = 47,923,804,142,843,000
  5. Step 5: Solve for x
    x = 47,923,804,142,843,000/308,259,420.52
  6. Step 6: Final answer
    x = 155,465,821.81

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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.