Home / 354,415,015.20-531,572,756.40-112,102,413.60

Finding the Fourth Proportional to 354,415,015.20, 531,572,756.40 and 112,102,413.60

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Solution

The fourth proportional to 354,415,015.20, 531,572,756.40 and 112,102,413.60 is: 168,137,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,415,015.20 : 531,572,756.40 = 112,102,413.60 : x
  2. Step 2: Convert to fraction form
    354,415,015.20/531,572,756.40 = 112,102,413.60/x
  3. Step 3: Cross multiply
    354,415,015.20x = 531,572,756.40 × 112,102,413.60
  4. Step 4: Simplify right side
    354,415,015.20x = 59,590,588,996,444,840
  5. Step 5: Solve for x
    x = 59,590,588,996,444,840/354,415,015.20
  6. Step 6: Final answer
    x = 168,137,879.16

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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.