Home / 236,990,643.60-355,485,965.40-122,199,387.60

Finding the Fourth Proportional to 236,990,643.60, 355,485,965.40 and 122,199,387.60

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Solution

The fourth proportional to 236,990,643.60, 355,485,965.40 and 122,199,387.60 is: 183,299,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,990,643.60 : 355,485,965.40 = 122,199,387.60 : x
  2. Step 2: Convert to fraction form
    236,990,643.60/355,485,965.40 = 122,199,387.60/x
  3. Step 3: Cross multiply
    236,990,643.60x = 355,485,965.40 × 122,199,387.60
  4. Step 4: Simplify right side
    236,990,643.60x = 43,440,167,272,274,784
  5. Step 5: Solve for x
    x = 43,440,167,272,274,784/236,990,643.60
  6. Step 6: Final answer
    x = 183,299,081.40

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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.