Home / 89,877,544,522.88-123,983,987,972.32-55,572,285,062.40

Finding the Fourth Proportional to 89,877,544,522.88, 123,983,987,972.32 and 55,572,285,062.40

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Solution

The fourth proportional to 89,877,544,522.88, 123,983,987,972.32 and 55,572,285,062.40 is: 76,660,678,252.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,877,544,522.88 : 123,983,987,972.32 = 55,572,285,062.40 : x
  2. Step 2: Convert to fraction form
    89,877,544,522.88/123,983,987,972.32 = 55,572,285,062.40/x
  3. Step 3: Cross multiply
    89,877,544,522.88x = 123,983,987,972.32 × 55,572,285,062.40
  4. Step 4: Simplify right side
    89,877,544,522.88x = 6,890,073,522,770,941,050,880
  5. Step 5: Solve for x
    x = 6,890,073,522,770,941,050,880/89,877,544,522.88
  6. Step 6: Final answer
    x = 76,660,678,252.25

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1.5x scale

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.