Home / 263,721,582.42-363,812,986.53-170,932,129.62

Finding the Fourth Proportional to 263,721,582.42, 363,812,986.53 and 170,932,129.62

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Solution

The fourth proportional to 263,721,582.42, 363,812,986.53 and 170,932,129.62 is: 235,806,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,721,582.42 : 363,812,986.53 = 170,932,129.62 : x
  2. Step 2: Convert to fraction form
    263,721,582.42/363,812,986.53 = 170,932,129.62/x
  3. Step 3: Cross multiply
    263,721,582.42x = 363,812,986.53 × 170,932,129.62
  4. Step 4: Simplify right side
    263,721,582.42x = 62,187,328,570,985,272
  5. Step 5: Solve for x
    x = 62,187,328,570,985,272/263,721,582.42
  6. Step 6: Final answer
    x = 235,806,747.41

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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.