Home / 239,210,321.34-330,110,465.90-129,202,034.34

Finding the Fourth Proportional to 239,210,321.34, 330,110,465.90 and 129,202,034.34

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Solution

The fourth proportional to 239,210,321.34, 330,110,465.90 and 129,202,034.34 is: 178,298,927.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,210,321.34 : 330,110,465.90 = 129,202,034.34 : x
  2. Step 2: Convert to fraction form
    239,210,321.34/330,110,465.90 = 129,202,034.34/x
  3. Step 3: Cross multiply
    239,210,321.34x = 330,110,465.90 × 129,202,034.34
  4. Step 4: Simplify right side
    239,210,321.34x = 42,650,943,751,528,200
  5. Step 5: Solve for x
    x = 42,650,943,751,528,200/239,210,321.34
  6. Step 6: Final answer
    x = 178,298,927.54

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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.