Home / 89,542,702.05-134,314,053.08-82,376,340.45

Finding the Fourth Proportional to 89,542,702.05, 134,314,053.08 and 82,376,340.45

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Solution

The fourth proportional to 89,542,702.05, 134,314,053.08 and 82,376,340.45 is: 123,564,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,542,702.05 : 134,314,053.08 = 82,376,340.45 : x
  2. Step 2: Convert to fraction form
    89,542,702.05/134,314,053.08 = 82,376,340.45/x
  3. Step 3: Cross multiply
    89,542,702.05x = 134,314,053.08 × 82,376,340.45
  4. Step 4: Simplify right side
    89,542,702.05x = 11,064,300,163,325,568
  5. Step 5: Solve for x
    x = 11,064,300,163,325,568/89,542,702.05
  6. Step 6: Final answer
    x = 123,564,510.68

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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.