Home / 55,743,089.12-76,925,463-31,297,328

Finding the Fourth Proportional to 55,743,089.12, 76,925,463 and 31,297,328

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Solution

The fourth proportional to 55,743,089.12, 76,925,463 and 31,297,328 is: 43,190,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,743,089.12 : 76,925,463 = 31,297,328 : x
  2. Step 2: Convert to fraction form
    55,743,089.12/76,925,463 = 31,297,328/x
  3. Step 3: Cross multiply
    55,743,089.12x = 76,925,463 × 31,297,328
  4. Step 4: Simplify right side
    55,743,089.12x = 2,407,561,447,062,864
  5. Step 5: Solve for x
    x = 2,407,561,447,062,864/55,743,089.12
  6. Step 6: Final answer
    x = 43,190,312.65

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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.