Home / 62,129,268.66-93,173,618.16-20,618,993.46

Finding the Fourth Proportional to 62,129,268.66, 93,173,618.16 and 20,618,993.46

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Solution

The fourth proportional to 62,129,268.66, 93,173,618.16 and 20,618,993.46 is: 30,921,758.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,129,268.66 : 93,173,618.16 = 20,618,993.46 : x
  2. Step 2: Convert to fraction form
    62,129,268.66/93,173,618.16 = 20,618,993.46/x
  3. Step 3: Cross multiply
    62,129,268.66x = 93,173,618.16 × 20,618,993.46
  4. Step 4: Simplify right side
    62,129,268.66x = 1,921,146,223,485,577.25
  5. Step 5: Solve for x
    x = 1,921,146,223,485,577.25/62,129,268.66
  6. Step 6: Final answer
    x = 30,921,758.21

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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.