Home / 110,106,912-151,723,460.16-85,175,656.32

Finding the Fourth Proportional to 110,106,912, 151,723,460.16 and 85,175,656.32

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Solution

The fourth proportional to 110,106,912, 151,723,460.16 and 85,175,656.32 is: 117,369,064.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,106,912 : 151,723,460.16 = 85,175,656.32 : x
  2. Step 2: Convert to fraction form
    110,106,912/151,723,460.16 = 85,175,656.32/x
  3. Step 3: Cross multiply
    110,106,912x = 151,723,460.16 × 85,175,656.32
  4. Step 4: Simplify right side
    110,106,912x = 12,923,145,298,269,370
  5. Step 5: Solve for x
    x = 12,923,145,298,269,370/110,106,912
  6. Step 6: Final answer
    x = 117,369,064.88

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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.