Home / 72,427,544.64-108,689,179.48-34,100,019.68

Finding the Fourth Proportional to 72,427,544.64, 108,689,179.48 and 34,100,019.68

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Solution

The fourth proportional to 72,427,544.64, 108,689,179.48 and 34,100,019.68 is: 51,172,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,427,544.64 : 108,689,179.48 = 34,100,019.68 : x
  2. Step 2: Convert to fraction form
    72,427,544.64/108,689,179.48 = 34,100,019.68/x
  3. Step 3: Cross multiply
    72,427,544.64x = 108,689,179.48 × 34,100,019.68
  4. Step 4: Simplify right side
    72,427,544.64x = 3,706,303,159,271,052.50
  5. Step 5: Solve for x
    x = 3,706,303,159,271,052.50/72,427,544.64
  6. Step 6: Final answer
    x = 51,172,563.94

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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.