Home / 123,091,989.60-184,637,984.40-51,279,074.40

Finding the Fourth Proportional to 123,091,989.60, 184,637,984.40 and 51,279,074.40

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Solution

The fourth proportional to 123,091,989.60, 184,637,984.40 and 51,279,074.40 is: 76,918,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,091,989.60 : 184,637,984.40 = 51,279,074.40 : x
  2. Step 2: Convert to fraction form
    123,091,989.60/184,637,984.40 = 51,279,074.40/x
  3. Step 3: Cross multiply
    123,091,989.60x = 184,637,984.40 × 51,279,074.40
  4. Step 4: Simplify right side
    123,091,989.60x = 9,468,064,939,113,640
  5. Step 5: Solve for x
    x = 9,468,064,939,113,640/123,091,989.60
  6. Step 6: Final answer
    x = 76,918,611.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.