Home / 86,768,996.28-119,743,284.20-49,602,734.64

Finding the Fourth Proportional to 86,768,996.28, 119,743,284.20 and 49,602,734.64

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Solution

The fourth proportional to 86,768,996.28, 119,743,284.20 and 49,602,734.64 is: 68,452,956.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,768,996.28 : 119,743,284.20 = 49,602,734.64 : x
  2. Step 2: Convert to fraction form
    86,768,996.28/119,743,284.20 = 49,602,734.64/x
  3. Step 3: Cross multiply
    86,768,996.28x = 119,743,284.20 × 49,602,734.64
  4. Step 4: Simplify right side
    86,768,996.28x = 5,939,594,351,125,954
  5. Step 5: Solve for x
    x = 5,939,594,351,125,954/86,768,996.28
  6. Step 6: Final answer
    x = 68,452,956.77

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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.