Home / 70,983,245.64-97,961,415.06-40,032,121.80

Finding the Fourth Proportional to 70,983,245.64, 97,961,415.06 and 40,032,121.80

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Solution

The fourth proportional to 70,983,245.64, 97,961,415.06 and 40,032,121.80 is: 55,246,886.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,983,245.64 : 97,961,415.06 = 40,032,121.80 : x
  2. Step 2: Convert to fraction form
    70,983,245.64/97,961,415.06 = 40,032,121.80/x
  3. Step 3: Cross multiply
    70,983,245.64x = 97,961,415.06 × 40,032,121.80
  4. Step 4: Simplify right side
    70,983,245.64x = 3,921,603,299,382,274
  5. Step 5: Solve for x
    x = 3,921,603,299,382,274/70,983,245.64
  6. Step 6: Final answer
    x = 55,246,886.28

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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.