Home / 121,063,010.20-182,072,812.20-108,627,290.80

Finding the Fourth Proportional to 121,063,010.20, 182,072,812.20 and 108,627,290.80

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Solution

The fourth proportional to 121,063,010.20, 182,072,812.20 and 108,627,290.80 is: 163,370,101.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,063,010.20 : 182,072,812.20 = 108,627,290.80 : x
  2. Step 2: Convert to fraction form
    121,063,010.20/182,072,812.20 = 108,627,290.80/x
  3. Step 3: Cross multiply
    121,063,010.20x = 182,072,812.20 × 108,627,290.80
  4. Step 4: Simplify right side
    121,063,010.20x = 19,778,076,317,623,184
  5. Step 5: Solve for x
    x = 19,778,076,317,623,184/121,063,010.20
  6. Step 6: Final answer
    x = 163,370,101.94

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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.