Home / 83,247,881,012.52-114,879,103,378.15-47,118,137,720.23

Finding the Fourth Proportional to 83,247,881,012.52, 114,879,103,378.15 and 47,118,137,720.23

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Solution

The fourth proportional to 83,247,881,012.52, 114,879,103,378.15 and 47,118,137,720.23 is: 65,021,347,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,247,881,012.52 : 114,879,103,378.15 = 47,118,137,720.23 : x
  2. Step 2: Convert to fraction form
    83,247,881,012.52/114,879,103,378.15 = 47,118,137,720.23/x
  3. Step 3: Cross multiply
    83,247,881,012.52x = 114,879,103,378.15 × 47,118,137,720.23
  4. Step 4: Simplify right side
    83,247,881,012.52x = 5,412,889,414,147,981,180,928
  5. Step 5: Solve for x
    x = 5,412,889,414,147,981,180,928/83,247,881,012.52
  6. Step 6: Final answer
    x = 65,021,347,670.51

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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.