Home / 140,114,647.67-210,192,029.93-43,078,503.78

Finding the Fourth Proportional to 140,114,647.67, 210,192,029.93 and 43,078,503.78

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Solution

The fourth proportional to 140,114,647.67, 210,192,029.93 and 43,078,503.78 is: 64,623,922.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,114,647.67 : 210,192,029.93 = 43,078,503.78 : x
  2. Step 2: Convert to fraction form
    140,114,647.67/210,192,029.93 = 43,078,503.78/x
  3. Step 3: Cross multiply
    140,114,647.67x = 210,192,029.93 × 43,078,503.78
  4. Step 4: Simplify right side
    140,114,647.67x = 9,054,758,155,973,074
  5. Step 5: Solve for x
    x = 9,054,758,155,973,074/140,114,647.67
  6. Step 6: Final answer
    x = 64,623,922.67

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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.