Home / 170,143,400.40-255,523,030.20-148,980,238.80

Finding the Fourth Proportional to 170,143,400.40, 255,523,030.20 and 148,980,238.80

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Solution

The fourth proportional to 170,143,400.40, 255,523,030.20 and 148,980,238.80 is: 223,739,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,143,400.40 : 255,523,030.20 = 148,980,238.80 : x
  2. Step 2: Convert to fraction form
    170,143,400.40/255,523,030.20 = 148,980,238.80/x
  3. Step 3: Cross multiply
    170,143,400.40x = 255,523,030.20 × 148,980,238.80
  4. Step 4: Simplify right side
    170,143,400.40x = 38,067,882,058,095,616
  5. Step 5: Solve for x
    x = 38,067,882,058,095,616/170,143,400.40
  6. Step 6: Final answer
    x = 223,739,986.20

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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.