Home / 102,110,762.55-140,912,681.48-55,701,016.47

Finding the Fourth Proportional to 102,110,762.55, 140,912,681.48 and 55,701,016.47

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Solution

The fourth proportional to 102,110,762.55, 140,912,681.48 and 55,701,016.47 is: 76,867,309.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,110,762.55 : 140,912,681.48 = 55,701,016.47 : x
  2. Step 2: Convert to fraction form
    102,110,762.55/140,912,681.48 = 55,701,016.47/x
  3. Step 3: Cross multiply
    102,110,762.55x = 140,912,681.48 × 55,701,016.47
  4. Step 4: Simplify right side
    102,110,762.55x = 7,848,979,592,192,757
  5. Step 5: Solve for x
    x = 7,848,979,592,192,757/102,110,762.55
  6. Step 6: Final answer
    x = 76,867,309.54

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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.