Home / 193,555,907.20-290,333,860.80-96,810,025.60

Finding the Fourth Proportional to 193,555,907.20, 290,333,860.80 and 96,810,025.60

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Solution

The fourth proportional to 193,555,907.20, 290,333,860.80 and 96,810,025.60 is: 145,215,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,555,907.20 : 290,333,860.80 = 96,810,025.60 : x
  2. Step 2: Convert to fraction form
    193,555,907.20/290,333,860.80 = 96,810,025.60/x
  3. Step 3: Cross multiply
    193,555,907.20x = 290,333,860.80 × 96,810,025.60
  4. Step 4: Simplify right side
    193,555,907.20x = 28,107,228,496,594,836
  5. Step 5: Solve for x
    x = 28,107,228,496,594,836/193,555,907.20
  6. Step 6: Final answer
    x = 145,215,038.40

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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.