Home / 137,443,405.90-206,314,495.52-55,618,618.54

Finding the Fourth Proportional to 137,443,405.90, 206,314,495.52 and 55,618,618.54

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Solution

The fourth proportional to 137,443,405.90, 206,314,495.52 and 55,618,618.54 is: 83,488,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,443,405.90 : 206,314,495.52 = 55,618,618.54 : x
  2. Step 2: Convert to fraction form
    137,443,405.90/206,314,495.52 = 55,618,618.54/x
  3. Step 3: Cross multiply
    137,443,405.90x = 206,314,495.52 × 55,618,618.54
  4. Step 4: Simplify right side
    137,443,405.90x = 11,474,927,225,599,420
  5. Step 5: Solve for x
    x = 11,474,927,225,599,420/137,443,405.90
  6. Step 6: Final answer
    x = 83,488,379.46

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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.