Home / 110,020,955.20-151,833,015.68-65,975,125.12

Finding the Fourth Proportional to 110,020,955.20, 151,833,015.68 and 65,975,125.12

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Solution

The fourth proportional to 110,020,955.20, 151,833,015.68 and 65,975,125.12 is: 91,048,129.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,020,955.20 : 151,833,015.68 = 65,975,125.12 : x
  2. Step 2: Convert to fraction form
    110,020,955.20/151,833,015.68 = 65,975,125.12/x
  3. Step 3: Cross multiply
    110,020,955.20x = 151,833,015.68 × 65,975,125.12
  4. Step 4: Simplify right side
    110,020,955.20x = 10,017,202,206,834,922
  5. Step 5: Solve for x
    x = 10,017,202,206,834,922/110,020,955.20
  6. Step 6: Final answer
    x = 91,048,129.77

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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.