Home / 354,303,607.20-531,455,410.80-111,966,511.20

Finding the Fourth Proportional to 354,303,607.20, 531,455,410.80 and 111,966,511.20

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Solution

The fourth proportional to 354,303,607.20, 531,455,410.80 and 111,966,511.20 is: 167,949,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,303,607.20 : 531,455,410.80 = 111,966,511.20 : x
  2. Step 2: Convert to fraction form
    354,303,607.20/531,455,410.80 = 111,966,511.20/x
  3. Step 3: Cross multiply
    354,303,607.20x = 531,455,410.80 × 111,966,511.20
  4. Step 4: Simplify right side
    354,303,607.20x = 59,505,208,205,638,800
  5. Step 5: Solve for x
    x = 59,505,208,205,638,800/354,303,607.20
  6. Step 6: Final answer
    x = 167,949,766.80

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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.