Home / 135,353,987.16-186,788,739.24-73,474,367.64

Finding the Fourth Proportional to 135,353,987.16, 186,788,739.24 and 73,474,367.64

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Solution

The fourth proportional to 135,353,987.16, 186,788,739.24 and 73,474,367.64 is: 101,394,755.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,353,987.16 : 186,788,739.24 = 73,474,367.64 : x
  2. Step 2: Convert to fraction form
    135,353,987.16/186,788,739.24 = 73,474,367.64/x
  3. Step 3: Cross multiply
    135,353,987.16x = 186,788,739.24 × 73,474,367.64
  4. Step 4: Simplify right side
    135,353,987.16x = 13,724,184,497,931,856
  5. Step 5: Solve for x
    x = 13,724,184,497,931,856/135,353,987.16
  6. Step 6: Final answer
    x = 101,394,755.97

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1.5x scale

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.