Home / 370,821,377.70-556,320,640.05-112,039,135.20

Finding the Fourth Proportional to 370,821,377.70, 556,320,640.05 and 112,039,135.20

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Solution

The fourth proportional to 370,821,377.70, 556,320,640.05 and 112,039,135.20 is: 168,085,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,821,377.70 : 556,320,640.05 = 112,039,135.20 : x
  2. Step 2: Convert to fraction form
    370,821,377.70/556,320,640.05 = 112,039,135.20/x
  3. Step 3: Cross multiply
    370,821,377.70x = 556,320,640.05 × 112,039,135.20
  4. Step 4: Simplify right side
    370,821,377.70x = 62,329,683,405,112,480
  5. Step 5: Solve for x
    x = 62,329,683,405,112,480/370,821,377.70
  6. Step 6: Final answer
    x = 168,085,464.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.