Home / 72,393,944,148.24-99,917,474,589.16-47,936,216,065.52

Finding the Fourth Proportional to 72,393,944,148.24, 99,917,474,589.16 and 47,936,216,065.52

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Solution

The fourth proportional to 72,393,944,148.24, 99,917,474,589.16 and 47,936,216,065.52 is: 66,161,136,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,393,944,148.24 : 99,917,474,589.16 = 47,936,216,065.52 : x
  2. Step 2: Convert to fraction form
    72,393,944,148.24/99,917,474,589.16 = 47,936,216,065.52/x
  3. Step 3: Cross multiply
    72,393,944,148.24x = 99,917,474,589.16 × 47,936,216,065.52
  4. Step 4: Simplify right side
    72,393,944,148.24x = 4,789,665,650,627,077,734,400
  5. Step 5: Solve for x
    x = 4,789,665,650,627,077,734,400/72,393,944,148.24
  6. Step 6: Final answer
    x = 66,161,136,915.26

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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.