Home / 170,119,281.60-255,010,960.80-83,787,019.20

Finding the Fourth Proportional to 170,119,281.60, 255,010,960.80 and 83,787,019.20

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Solution

The fourth proportional to 170,119,281.60, 255,010,960.80 and 83,787,019.20 is: 125,597,804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,119,281.60 : 255,010,960.80 = 83,787,019.20 : x
  2. Step 2: Convert to fraction form
    170,119,281.60/255,010,960.80 = 83,787,019.20/x
  3. Step 3: Cross multiply
    170,119,281.60x = 255,010,960.80 × 83,787,019.20
  4. Step 4: Simplify right side
    170,119,281.60x = 21,366,608,268,760,048
  5. Step 5: Solve for x
    x = 21,366,608,268,760,048/170,119,281.60
  6. Step 6: Final answer
    x = 125,597,804.48

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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.