Home / 134,039,431.76-184,989,393.86-81,145,283.31

Finding the Fourth Proportional to 134,039,431.76, 184,989,393.86 and 81,145,283.31

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Solution

The fourth proportional to 134,039,431.76, 184,989,393.86 and 81,145,283.31 is: 111,989,558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,039,431.76 : 184,989,393.86 = 81,145,283.31 : x
  2. Step 2: Convert to fraction form
    134,039,431.76/184,989,393.86 = 81,145,283.31/x
  3. Step 3: Cross multiply
    134,039,431.76x = 184,989,393.86 × 81,145,283.31
  4. Step 4: Simplify right side
    134,039,431.76x = 15,011,016,773,709,148
  5. Step 5: Solve for x
    x = 15,011,016,773,709,148/134,039,431.76
  6. Step 6: Final answer
    x = 111,989,558.42

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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.