Home / 171,830,800.40-257,887,205.40-170,487,107.60

Finding the Fourth Proportional to 171,830,800.40, 257,887,205.40 and 170,487,107.60

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Solution

The fourth proportional to 171,830,800.40, 257,887,205.40 and 170,487,107.60 is: 255,870,563.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,830,800.40 : 257,887,205.40 = 170,487,107.60 : x
  2. Step 2: Convert to fraction form
    171,830,800.40/257,887,205.40 = 170,487,107.60/x
  3. Step 3: Cross multiply
    171,830,800.40x = 257,887,205.40 × 170,487,107.60
  4. Step 4: Simplify right side
    171,830,800.40x = 43,966,443,735,693,104
  5. Step 5: Solve for x
    x = 43,966,443,735,693,104/171,830,800.40
  6. Step 6: Final answer
    x = 255,870,563.56

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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.