Home / 55,743,146.63-76,925,542.35-31,297,385.51

Finding the Fourth Proportional to 55,743,146.63, 76,925,542.35 and 31,297,385.51

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Solution

The fourth proportional to 55,743,146.63, 76,925,542.35 and 31,297,385.51 is: 43,190,392.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,743,146.63 : 76,925,542.35 = 31,297,385.51 : x
  2. Step 2: Convert to fraction form
    55,743,146.63/76,925,542.35 = 31,297,385.51/x
  3. Step 3: Cross multiply
    55,743,146.63x = 76,925,542.35 × 31,297,385.51
  4. Step 4: Simplify right side
    55,743,146.63x = 2,407,568,353,952,666.50
  5. Step 5: Solve for x
    x = 2,407,568,353,952,666.50/55,743,146.63
  6. Step 6: Final answer
    x = 43,190,392.00

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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.