Home / 55,360,540.48-76,399,864.56-31,839,092.80

Finding the Fourth Proportional to 55,360,540.48, 76,399,864.56 and 31,839,092.80

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Solution

The fourth proportional to 55,360,540.48, 76,399,864.56 and 31,839,092.80 is: 43,939,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,360,540.48 : 76,399,864.56 = 31,839,092.80 : x
  2. Step 2: Convert to fraction form
    55,360,540.48/76,399,864.56 = 31,839,092.80/x
  3. Step 3: Cross multiply
    55,360,540.48x = 76,399,864.56 × 31,839,092.80
  4. Step 4: Simplify right side
    55,360,540.48x = 2,432,502,377,633,271.50
  5. Step 5: Solve for x
    x = 2,432,502,377,633,271.50/55,360,540.48
  6. Step 6: Final answer
    x = 43,939,281.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.