Home / 170,201,228.20-255,301,842.30-139,968,140.20

Finding the Fourth Proportional to 170,201,228.20, 255,301,842.30 and 139,968,140.20

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Solution

The fourth proportional to 170,201,228.20, 255,301,842.30 and 139,968,140.20 is: 209,952,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,201,228.20 : 255,301,842.30 = 139,968,140.20 : x
  2. Step 2: Convert to fraction form
    170,201,228.20/255,301,842.30 = 139,968,140.20/x
  3. Step 3: Cross multiply
    170,201,228.20x = 255,301,842.30 × 139,968,140.20
  4. Step 4: Simplify right side
    170,201,228.20x = 35,734,124,056,364,688
  5. Step 5: Solve for x
    x = 35,734,124,056,364,688/170,201,228.20
  6. Step 6: Final answer
    x = 209,952,210.30

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1.5x scale

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.