Home / 170,143,399.40-255,523,028.70-148,980,237.80

Finding the Fourth Proportional to 170,143,399.40, 255,523,028.70 and 148,980,237.80

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Solution

The fourth proportional to 170,143,399.40, 255,523,028.70 and 148,980,237.80 is: 223,739,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,143,399.40 : 255,523,028.70 = 148,980,237.80 : x
  2. Step 2: Convert to fraction form
    170,143,399.40/255,523,028.70 = 148,980,237.80/x
  3. Step 3: Cross multiply
    170,143,399.40x = 255,523,028.70 × 148,980,237.80
  4. Step 4: Simplify right side
    170,143,399.40x = 38,067,881,579,102,224
  5. Step 5: Solve for x
    x = 38,067,881,579,102,224/170,143,399.40
  6. Step 6: Final answer
    x = 223,739,984.70

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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.