Home / 139,546,851.56-209,326,048.84-41,178,558.84

Finding the Fourth Proportional to 139,546,851.56, 209,326,048.84 and 41,178,558.84

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Solution

The fourth proportional to 139,546,851.56, 209,326,048.84 and 41,178,558.84 is: 61,769,541.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,546,851.56 : 209,326,048.84 = 41,178,558.84 : x
  2. Step 2: Convert to fraction form
    139,546,851.56/209,326,048.84 = 41,178,558.84/x
  3. Step 3: Cross multiply
    139,546,851.56x = 209,326,048.84 × 41,178,558.84
  4. Step 4: Simplify right side
    139,546,851.56x = 8,619,745,018,902,655
  5. Step 5: Solve for x
    x = 8,619,745,018,902,655/139,546,851.56
  6. Step 6: Final answer
    x = 61,769,541.36

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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.