Home / 140,082,130.07-193,311,321.59-77,360,881.94

Finding the Fourth Proportional to 140,082,130.07, 193,311,321.59 and 77,360,881.94

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Solution

The fourth proportional to 140,082,130.07, 193,311,321.59 and 77,360,881.94 is: 106,756,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,082,130.07 : 193,311,321.59 = 77,360,881.94 : x
  2. Step 2: Convert to fraction form
    140,082,130.07/193,311,321.59 = 77,360,881.94/x
  3. Step 3: Cross multiply
    140,082,130.07x = 193,311,321.59 × 77,360,881.94
  4. Step 4: Simplify right side
    140,082,130.07x = 14,954,734,327,285,836
  5. Step 5: Solve for x
    x = 14,954,734,327,285,836/140,082,130.07
  6. Step 6: Final answer
    x = 106,756,902.69

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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.