Home / 178,920,051.32-268,350,180.60-49,540,739.84

Finding the Fourth Proportional to 178,920,051.32, 268,350,180.60 and 49,540,739.84

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Solution

The fourth proportional to 178,920,051.32, 268,350,180.60 and 49,540,739.84 is: 74,302,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,920,051.32 : 268,350,180.60 = 49,540,739.84 : x
  2. Step 2: Convert to fraction form
    178,920,051.32/268,350,180.60 = 49,540,739.84/x
  3. Step 3: Cross multiply
    178,920,051.32x = 268,350,180.60 × 49,540,739.84
  4. Step 4: Simplify right side
    178,920,051.32x = 13,294,266,483,121,616
  5. Step 5: Solve for x
    x = 13,294,266,483,121,616/178,920,051.32
  6. Step 6: Final answer
    x = 74,302,831.82

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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.