Home / 90,512,844.14-124,920,886.94-50,824,830.26

Finding the Fourth Proportional to 90,512,844.14, 124,920,886.94 and 50,824,830.26

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Solution

The fourth proportional to 90,512,844.14, 124,920,886.94 and 50,824,830.26 is: 70,145,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,512,844.14 : 124,920,886.94 = 50,824,830.26 : x
  2. Step 2: Convert to fraction form
    90,512,844.14/124,920,886.94 = 50,824,830.26/x
  3. Step 3: Cross multiply
    90,512,844.14x = 124,920,886.94 × 50,824,830.26
  4. Step 4: Simplify right side
    90,512,844.14x = 6,349,082,874,902,922
  5. Step 5: Solve for x
    x = 6,349,082,874,902,922/90,512,844.14
  6. Step 6: Final answer
    x = 70,145,656.51

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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.