Home / 30,238,093.80-45,357,140.70-18,144,858.60

Finding the Fourth Proportional to 30,238,093.80, 45,357,140.70 and 18,144,858.60

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Solution

The fourth proportional to 30,238,093.80, 45,357,140.70 and 18,144,858.60 is: 27,217,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,238,093.80 : 45,357,140.70 = 18,144,858.60 : x
  2. Step 2: Convert to fraction form
    30,238,093.80/45,357,140.70 = 18,144,858.60/x
  3. Step 3: Cross multiply
    30,238,093.80x = 45,357,140.70 × 18,144,858.60
  4. Step 4: Simplify right side
    30,238,093.80x = 822,998,904,501,805.12
  5. Step 5: Solve for x
    x = 822,998,904,501,805.12/30,238,093.80
  6. Step 6: Final answer
    x = 27,217,287.90

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1.5x scale

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.