Home / 89,820,932.66-123,922,441.32-73,272,450.40

Finding the Fourth Proportional to 89,820,932.66, 123,922,441.32 and 73,272,450.40

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Solution

The fourth proportional to 89,820,932.66, 123,922,441.32 and 73,272,450.40 is: 101,091,145.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,820,932.66 : 123,922,441.32 = 73,272,450.40 : x
  2. Step 2: Convert to fraction form
    89,820,932.66/123,922,441.32 = 73,272,450.40/x
  3. Step 3: Cross multiply
    89,820,932.66x = 123,922,441.32 × 73,272,450.40
  4. Step 4: Simplify right side
    89,820,932.66x = 9,080,100,935,066,610
  5. Step 5: Solve for x
    x = 9,080,100,935,066,610/89,820,932.66
  6. Step 6: Final answer
    x = 101,091,145.08

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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.