Home / 170,684,051.81-255,922,401.65-66,928,957.02

Finding the Fourth Proportional to 170,684,051.81, 255,922,401.65 and 66,928,957.02

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Solution

The fourth proportional to 170,684,051.81, 255,922,401.65 and 66,928,957.02 is: 100,352,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,684,051.81 : 255,922,401.65 = 66,928,957.02 : x
  2. Step 2: Convert to fraction form
    170,684,051.81/255,922,401.65 = 66,928,957.02/x
  3. Step 3: Cross multiply
    170,684,051.81x = 255,922,401.65 × 66,928,957.02
  4. Step 4: Simplify right side
    170,684,051.81x = 17,128,619,420,153,384
  5. Step 5: Solve for x
    x = 17,128,619,420,153,384/170,684,051.81
  6. Step 6: Final answer
    x = 100,352,781.87

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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.