Home / 208,110,974.22-287,122,442.04-118,738,714.25

Finding the Fourth Proportional to 208,110,974.22, 287,122,442.04 and 118,738,714.25

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Solution

The fourth proportional to 208,110,974.22, 287,122,442.04 and 118,738,714.25 is: 163,819,086.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,110,974.22 : 287,122,442.04 = 118,738,714.25 : x
  2. Step 2: Convert to fraction form
    208,110,974.22/287,122,442.04 = 118,738,714.25/x
  3. Step 3: Cross multiply
    208,110,974.22x = 287,122,442.04 × 118,738,714.25
  4. Step 4: Simplify right side
    208,110,974.22x = 34,092,549,600,867,556
  5. Step 5: Solve for x
    x = 34,092,549,600,867,556/208,110,974.22
  6. Step 6: Final answer
    x = 163,819,086.08

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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.