Home / 121,766,988.30-182,631,039.54-35,485,212.84

Finding the Fourth Proportional to 121,766,988.30, 182,631,039.54 and 35,485,212.84

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Solution

The fourth proportional to 121,766,988.30, 182,631,039.54 and 35,485,212.84 is: 53,222,153.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,766,988.30 : 182,631,039.54 = 35,485,212.84 : x
  2. Step 2: Convert to fraction form
    121,766,988.30/182,631,039.54 = 35,485,212.84/x
  3. Step 3: Cross multiply
    121,766,988.30x = 182,631,039.54 × 35,485,212.84
  4. Step 4: Simplify right side
    121,766,988.30x = 6,480,701,309,267,356
  5. Step 5: Solve for x
    x = 6,480,701,309,267,356/121,766,988.30
  6. Step 6: Final answer
    x = 53,222,153.23

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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.