Home / 239,581,405-330,622,339.44-129,573,118

Finding the Fourth Proportional to 239,581,405, 330,622,339.44 and 129,573,118

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Solution

The fourth proportional to 239,581,405, 330,622,339.44 and 129,573,118 is: 178,810,903.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,581,405 : 330,622,339.44 = 129,573,118 : x
  2. Step 2: Convert to fraction form
    239,581,405/330,622,339.44 = 129,573,118/x
  3. Step 3: Cross multiply
    239,581,405x = 330,622,339.44 × 129,573,118
  4. Step 4: Simplify right side
    239,581,405x = 42,839,767,401,695,176
  5. Step 5: Solve for x
    x = 42,839,767,401,695,176/239,581,405
  6. Step 6: Final answer
    x = 178,810,903.13

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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.