Home / 89,345,087.20-134,017,630.80-28,760,813.20

Finding the Fourth Proportional to 89,345,087.20, 134,017,630.80 and 28,760,813.20

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Solution

The fourth proportional to 89,345,087.20, 134,017,630.80 and 28,760,813.20 is: 43,141,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,345,087.20 : 134,017,630.80 = 28,760,813.20 : x
  2. Step 2: Convert to fraction form
    89,345,087.20/134,017,630.80 = 28,760,813.20/x
  3. Step 3: Cross multiply
    89,345,087.20x = 134,017,630.80 × 28,760,813.20
  4. Step 4: Simplify right side
    89,345,087.20x = 3,854,456,044,945,366.50
  5. Step 5: Solve for x
    x = 3,854,456,044,945,366.50/89,345,087.20
  6. Step 6: Final answer
    x = 43,141,219.80

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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.