Home / 170,130,977.20-255,196,465.80-161,173,025.20

Finding the Fourth Proportional to 170,130,977.20, 255,196,465.80 and 161,173,025.20

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Solution

The fourth proportional to 170,130,977.20, 255,196,465.80 and 161,173,025.20 is: 241,759,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,130,977.20 : 255,196,465.80 = 161,173,025.20 : x
  2. Step 2: Convert to fraction form
    170,130,977.20/255,196,465.80 = 161,173,025.20/x
  3. Step 3: Cross multiply
    170,130,977.20x = 255,196,465.80 × 161,173,025.20
  4. Step 4: Simplify right side
    170,130,977.20x = 41,130,786,413,334,336
  5. Step 5: Solve for x
    x = 41,130,786,413,334,336/170,130,977.20
  6. Step 6: Final answer
    x = 241,759,537.80

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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.