Home / 123,035,419.20-184,553,128.80-121,122,231.60

Finding the Fourth Proportional to 123,035,419.20, 184,553,128.80 and 121,122,231.60

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Solution

The fourth proportional to 123,035,419.20, 184,553,128.80 and 121,122,231.60 is: 181,683,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,035,419.20 : 184,553,128.80 = 121,122,231.60 : x
  2. Step 2: Convert to fraction form
    123,035,419.20/184,553,128.80 = 121,122,231.60/x
  3. Step 3: Cross multiply
    123,035,419.20x = 184,553,128.80 × 121,122,231.60
  4. Step 4: Simplify right side
    123,035,419.20x = 22,353,486,809,018,232
  5. Step 5: Solve for x
    x = 22,353,486,809,018,232/123,035,419.20
  6. Step 6: Final answer
    x = 181,683,347.40

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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.