Home / 157,712,131.20-236,568,196.80-111,795,628.80

Finding the Fourth Proportional to 157,712,131.20, 236,568,196.80 and 111,795,628.80

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Solution

The fourth proportional to 157,712,131.20, 236,568,196.80 and 111,795,628.80 is: 167,693,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,712,131.20 : 236,568,196.80 = 111,795,628.80 : x
  2. Step 2: Convert to fraction form
    157,712,131.20/236,568,196.80 = 111,795,628.80/x
  3. Step 3: Cross multiply
    157,712,131.20x = 236,568,196.80 × 111,795,628.80
  4. Step 4: Simplify right side
    157,712,131.20x = 26,447,290,315,338,148
  5. Step 5: Solve for x
    x = 26,447,290,315,338,148/157,712,131.20
  6. Step 6: Final answer
    x = 167,693,443.20

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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.