Home / 90,027,199.32-124,235,915.59-50,868,135.32

Finding the Fourth Proportional to 90,027,199.32, 124,235,915.59 and 50,868,135.32

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Solution

The fourth proportional to 90,027,199.32, 124,235,915.59 and 50,868,135.32 is: 70,197,111.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,027,199.32 : 124,235,915.59 = 50,868,135.32 : x
  2. Step 2: Convert to fraction form
    90,027,199.32/124,235,915.59 = 50,868,135.32/x
  3. Step 3: Cross multiply
    90,027,199.32x = 124,235,915.59 × 50,868,135.32
  4. Step 4: Simplify right side
    90,027,199.32x = 6,319,649,365,691,063
  5. Step 5: Solve for x
    x = 6,319,649,365,691,063/90,027,199.32
  6. Step 6: Final answer
    x = 70,197,111.69

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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.