Home / 239,765,166.90-330,875,927.19-129,756,879.90

Finding the Fourth Proportional to 239,765,166.90, 330,875,927.19 and 129,756,879.90

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Solution

The fourth proportional to 239,765,166.90, 330,875,927.19 and 129,756,879.90 is: 179,064,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,765,166.90 : 330,875,927.19 = 129,756,879.90 : x
  2. Step 2: Convert to fraction form
    239,765,166.90/330,875,927.19 = 129,756,879.90/x
  3. Step 3: Cross multiply
    239,765,166.90x = 330,875,927.19 × 129,756,879.90
  4. Step 4: Simplify right side
    239,765,166.90x = 42,933,427,946,193,976
  5. Step 5: Solve for x
    x = 42,933,427,946,193,976/239,765,166.90
  6. Step 6: Final answer
    x = 179,064,492.57

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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.