Home / 308,259,299.52-462,065,271.84-103,716,362.88

Finding the Fourth Proportional to 308,259,299.52, 462,065,271.84 and 103,716,362.88

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Solution

The fourth proportional to 308,259,299.52, 462,065,271.84 and 103,716,362.88 is: 155,465,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,259,299.52 : 462,065,271.84 = 103,716,362.88 : x
  2. Step 2: Convert to fraction form
    308,259,299.52/462,065,271.84 = 103,716,362.88/x
  3. Step 3: Cross multiply
    308,259,299.52x = 462,065,271.84 × 103,716,362.88
  4. Step 4: Simplify right side
    308,259,299.52x = 47,923,729,408,403,280
  5. Step 5: Solve for x
    x = 47,923,729,408,403,280/308,259,299.52
  6. Step 6: Final answer
    x = 155,465,640.40

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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.