Home / 287,668,897.44-397,091,034.96-188,556,032

Finding the Fourth Proportional to 287,668,897.44, 397,091,034.96 and 188,556,032

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Solution

The fourth proportional to 287,668,897.44, 397,091,034.96 and 188,556,032 is: 260,278,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,668,897.44 : 397,091,034.96 = 188,556,032 : x
  2. Step 2: Convert to fraction form
    287,668,897.44/397,091,034.96 = 188,556,032/x
  3. Step 3: Cross multiply
    287,668,897.44x = 397,091,034.96 × 188,556,032
  4. Step 4: Simplify right side
    287,668,897.44x = 74,873,909,894,830,880
  5. Step 5: Solve for x
    x = 74,873,909,894,830,880/287,668,897.44
  6. Step 6: Final answer
    x = 260,278,085.54

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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.