Home / 149,344,051.20-223,764,134.40-72,501,619.20

Finding the Fourth Proportional to 149,344,051.20, 223,764,134.40 and 72,501,619.20

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Solution

The fourth proportional to 149,344,051.20, 223,764,134.40 and 72,501,619.20 is: 108,630,119.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,344,051.20 : 223,764,134.40 = 72,501,619.20 : x
  2. Step 2: Convert to fraction form
    149,344,051.20/223,764,134.40 = 72,501,619.20/x
  3. Step 3: Cross multiply
    149,344,051.20x = 223,764,134.40 × 72,501,619.20
  4. Step 4: Simplify right side
    149,344,051.20x = 16,223,262,062,886,422
  5. Step 5: Solve for x
    x = 16,223,262,062,886,422/149,344,051.20
  6. Step 6: Final answer
    x = 108,630,119.06

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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.