Home / 122,477,648.40-183,464,530.20-84,182,403.60

Finding the Fourth Proportional to 122,477,648.40, 183,464,530.20 and 84,182,403.60

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Solution

The fourth proportional to 122,477,648.40, 183,464,530.20 and 84,182,403.60 is: 126,100,438.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,477,648.40 : 183,464,530.20 = 84,182,403.60 : x
  2. Step 2: Convert to fraction form
    122,477,648.40/183,464,530.20 = 84,182,403.60/x
  3. Step 3: Cross multiply
    122,477,648.40x = 183,464,530.20 × 84,182,403.60
  4. Step 4: Simplify right side
    122,477,648.40x = 15,444,485,127,580,786
  5. Step 5: Solve for x
    x = 15,444,485,127,580,786/122,477,648.40
  6. Step 6: Final answer
    x = 126,100,438.16

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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.