Home / 170,330,999.70-255,496,499.55-140,097,911.70

Finding the Fourth Proportional to 170,330,999.70, 255,496,499.55 and 140,097,911.70

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Solution

The fourth proportional to 170,330,999.70, 255,496,499.55 and 140,097,911.70 is: 210,146,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,330,999.70 : 255,496,499.55 = 140,097,911.70 : x
  2. Step 2: Convert to fraction form
    170,330,999.70/255,496,499.55 = 140,097,911.70/x
  3. Step 3: Cross multiply
    170,330,999.70x = 255,496,499.55 × 140,097,911.70
  4. Step 4: Simplify right side
    170,330,999.70x = 35,794,526,033,614,988
  5. Step 5: Solve for x
    x = 35,794,526,033,614,988/170,330,999.70
  6. Step 6: Final answer
    x = 210,146,867.55

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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.