Home / 123,035,449.20-184,553,173.80-121,122,261.60

Finding the Fourth Proportional to 123,035,449.20, 184,553,173.80 and 121,122,261.60

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Solution

The fourth proportional to 123,035,449.20, 184,553,173.80 and 121,122,261.60 is: 181,683,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,035,449.20 : 184,553,173.80 = 121,122,261.60 : x
  2. Step 2: Convert to fraction form
    123,035,449.20/184,553,173.80 = 121,122,261.60/x
  3. Step 3: Cross multiply
    123,035,449.20x = 184,553,173.80 × 121,122,261.60
  4. Step 4: Simplify right side
    123,035,449.20x = 22,353,497,796,113,868
  5. Step 5: Solve for x
    x = 22,353,497,796,113,868/123,035,449.20
  6. Step 6: Final answer
    x = 181,683,392.40

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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.