Home / 100,048,331.55-138,071,012.63-55,394,303.39

Finding the Fourth Proportional to 100,048,331.55, 138,071,012.63 and 55,394,303.39

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Solution

The fourth proportional to 100,048,331.55, 138,071,012.63 and 55,394,303.39 is: 76,446,527.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,048,331.55 : 138,071,012.63 = 55,394,303.39 : x
  2. Step 2: Convert to fraction form
    100,048,331.55/138,071,012.63 = 55,394,303.39/x
  3. Step 3: Cross multiply
    100,048,331.55x = 138,071,012.63 × 55,394,303.39
  4. Step 4: Simplify right side
    100,048,331.55x = 7,648,347,562,023,415
  5. Step 5: Solve for x
    x = 7,648,347,562,023,415/100,048,331.55
  6. Step 6: Final answer
    x = 76,446,527.83

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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.