Home / 139,391,075.16-192,556,388.04-111,697,750.20

Finding the Fourth Proportional to 139,391,075.16, 192,556,388.04 and 111,697,750.20

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Solution

The fourth proportional to 139,391,075.16, 192,556,388.04 and 111,697,750.20 is: 154,300,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,391,075.16 : 192,556,388.04 = 111,697,750.20 : x
  2. Step 2: Convert to fraction form
    139,391,075.16/192,556,388.04 = 111,697,750.20/x
  3. Step 3: Cross multiply
    139,391,075.16x = 192,556,388.04 × 111,697,750.20
  4. Step 4: Simplify right side
    139,391,075.16x = 21,508,115,330,706,188
  5. Step 5: Solve for x
    x = 21,508,115,330,706,188/139,391,075.16
  6. Step 6: Final answer
    x = 154,300,519.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.