Home / 124,191,996.80-186,287,995.20-43,404,540.80

Finding the Fourth Proportional to 124,191,996.80, 186,287,995.20 and 43,404,540.80

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Solution

The fourth proportional to 124,191,996.80, 186,287,995.20 and 43,404,540.80 is: 65,106,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,191,996.80 : 186,287,995.20 = 43,404,540.80 : x
  2. Step 2: Convert to fraction form
    124,191,996.80/186,287,995.20 = 43,404,540.80/x
  3. Step 3: Cross multiply
    124,191,996.80x = 186,287,995.20 × 43,404,540.80
  4. Step 4: Simplify right side
    124,191,996.80x = 8,085,744,888,208,603
  5. Step 5: Solve for x
    x = 8,085,744,888,208,603/124,191,996.80
  6. Step 6: Final answer
    x = 65,106,811.20

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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.