Home / 55,685,047.54-76,845,890.01-31,239,286.42

Finding the Fourth Proportional to 55,685,047.54, 76,845,890.01 and 31,239,286.42

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Solution

The fourth proportional to 55,685,047.54, 76,845,890.01 and 31,239,286.42 is: 43,110,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,685,047.54 : 76,845,890.01 = 31,239,286.42 : x
  2. Step 2: Convert to fraction form
    55,685,047.54/76,845,890.01 = 31,239,286.42/x
  3. Step 3: Cross multiply
    55,685,047.54x = 76,845,890.01 × 31,239,286.42
  4. Step 4: Simplify right side
    55,685,047.54x = 2,400,610,768,222,207
  5. Step 5: Solve for x
    x = 2,400,610,768,222,207/55,685,047.54
  6. Step 6: Final answer
    x = 43,110,509.45

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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.