Home / 140,082,130.69-193,311,322.45-77,360,882.57

Finding the Fourth Proportional to 140,082,130.69, 193,311,322.45 and 77,360,882.57

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Solution

The fourth proportional to 140,082,130.69, 193,311,322.45 and 77,360,882.57 is: 106,756,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,082,130.69 : 193,311,322.45 = 77,360,882.57 : x
  2. Step 2: Convert to fraction form
    140,082,130.69/193,311,322.45 = 77,360,882.57/x
  3. Step 3: Cross multiply
    140,082,130.69x = 193,311,322.45 × 77,360,882.57
  4. Step 4: Simplify right side
    140,082,130.69x = 14,954,734,515,505,852
  5. Step 5: Solve for x
    x = 14,954,734,515,505,852/140,082,130.69
  6. Step 6: Final answer
    x = 106,756,903.55

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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.