Home / 51,278,020.84-70,763,684.70-28,074,621.52

Finding the Fourth Proportional to 51,278,020.84, 70,763,684.70 and 28,074,621.52

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Solution

The fourth proportional to 51,278,020.84, 70,763,684.70 and 28,074,621.52 is: 38,742,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,278,020.84 : 70,763,684.70 = 28,074,621.52 : x
  2. Step 2: Convert to fraction form
    51,278,020.84/70,763,684.70 = 28,074,621.52/x
  3. Step 3: Cross multiply
    51,278,020.84x = 70,763,684.70 × 28,074,621.52
  4. Step 4: Simplify right side
    51,278,020.84x = 1,986,663,665,313,114.75
  5. Step 5: Solve for x
    x = 1,986,663,665,313,114.75/51,278,020.84
  6. Step 6: Final answer
    x = 38,742,986.43

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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.