Home / 121,076,837.20-182,093,552.70-108,641,117.80

Finding the Fourth Proportional to 121,076,837.20, 182,093,552.70 and 108,641,117.80

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Solution

The fourth proportional to 121,076,837.20, 182,093,552.70 and 108,641,117.80 is: 163,390,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,076,837.20 : 182,093,552.70 = 108,641,117.80 : x
  2. Step 2: Convert to fraction form
    121,076,837.20/182,093,552.70 = 108,641,117.80/x
  3. Step 3: Cross multiply
    121,076,837.20x = 182,093,552.70 × 108,641,117.80
  4. Step 4: Simplify right side
    121,076,837.20x = 19,782,847,109,501,208
  5. Step 5: Solve for x
    x = 19,782,847,109,501,208/121,076,837.20
  6. Step 6: Final answer
    x = 163,390,848.05

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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.