Home / 170,143,395.40-255,523,022.70-148,980,233.80

Finding the Fourth Proportional to 170,143,395.40, 255,523,022.70 and 148,980,233.80

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Solution

The fourth proportional to 170,143,395.40, 255,523,022.70 and 148,980,233.80 is: 223,739,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,143,395.40 : 255,523,022.70 = 148,980,233.80 : x
  2. Step 2: Convert to fraction form
    170,143,395.40/255,523,022.70 = 148,980,233.80/x
  3. Step 3: Cross multiply
    170,143,395.40x = 255,523,022.70 × 148,980,233.80
  4. Step 4: Simplify right side
    170,143,395.40x = 38,067,879,663,128,712
  5. Step 5: Solve for x
    x = 38,067,879,663,128,712/170,143,395.40
  6. Step 6: Final answer
    x = 223,739,978.70

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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.