Home / 255,395,514.90-352,445,804.46-137,920,835.53

Finding the Fourth Proportional to 255,395,514.90, 352,445,804.46 and 137,920,835.53

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Solution

The fourth proportional to 255,395,514.90, 352,445,804.46 and 137,920,835.53 is: 190,330,749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,395,514.90 : 352,445,804.46 = 137,920,835.53 : x
  2. Step 2: Convert to fraction form
    255,395,514.90/352,445,804.46 = 137,920,835.53/x
  3. Step 3: Cross multiply
    255,395,514.90x = 352,445,804.46 × 137,920,835.53
  4. Step 4: Simplify right side
    255,395,514.90x = 48,609,619,828,927,120
  5. Step 5: Solve for x
    x = 48,609,619,828,927,120/255,395,514.90
  6. Step 6: Final answer
    x = 190,330,749.73

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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.