Home / 149,362,536.64-223,621,300.92-79,172,832.84

Finding the Fourth Proportional to 149,362,536.64, 223,621,300.92 and 79,172,832.84

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Solution

The fourth proportional to 149,362,536.64, 223,621,300.92 and 79,172,832.84 is: 118,535,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,362,536.64 : 223,621,300.92 = 79,172,832.84 : x
  2. Step 2: Convert to fraction form
    149,362,536.64/223,621,300.92 = 79,172,832.84/x
  3. Step 3: Cross multiply
    149,362,536.64x = 223,621,300.92 × 79,172,832.84
  4. Step 4: Simplify right side
    149,362,536.64x = 17,704,731,877,202,498
  5. Step 5: Solve for x
    x = 17,704,731,877,202,498/149,362,536.64
  6. Step 6: Final answer
    x = 118,535,291.88

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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.