Home / 77,892,806.82-107,485,377.26-43,076,831.16

Finding the Fourth Proportional to 77,892,806.82, 107,485,377.26 and 43,076,831.16

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Solution

The fourth proportional to 77,892,806.82, 107,485,377.26 and 43,076,831.16 is: 59,442,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,892,806.82 : 107,485,377.26 = 43,076,831.16 : x
  2. Step 2: Convert to fraction form
    77,892,806.82/107,485,377.26 = 43,076,831.16/x
  3. Step 3: Cross multiply
    77,892,806.82x = 107,485,377.26 × 43,076,831.16
  4. Step 4: Simplify right side
    77,892,806.82x = 4,630,129,448,182,539
  5. Step 5: Solve for x
    x = 4,630,129,448,182,539/77,892,806.82
  6. Step 6: Final answer
    x = 59,442,323.84

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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.