Home / 147,568,182.20-221,446,751.70-86,157,222.20

Finding the Fourth Proportional to 147,568,182.20, 221,446,751.70 and 86,157,222.20

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Solution

The fourth proportional to 147,568,182.20, 221,446,751.70 and 86,157,222.20 is: 129,290,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,568,182.20 : 221,446,751.70 = 86,157,222.20 : x
  2. Step 2: Convert to fraction form
    147,568,182.20/221,446,751.70 = 86,157,222.20/x
  3. Step 3: Cross multiply
    147,568,182.20x = 221,446,751.70 × 86,157,222.20
  4. Step 4: Simplify right side
    147,568,182.20x = 19,079,236,991,685,128
  5. Step 5: Solve for x
    x = 19,079,236,991,685,128/147,568,182.20
  6. Step 6: Final answer
    x = 129,290,994.22

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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.