Home / 89,345,042.70-134,017,564.05-28,760,768.70

Finding the Fourth Proportional to 89,345,042.70, 134,017,564.05 and 28,760,768.70

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Solution

The fourth proportional to 89,345,042.70, 134,017,564.05 and 28,760,768.70 is: 43,141,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,345,042.70 : 134,017,564.05 = 28,760,768.70 : x
  2. Step 2: Convert to fraction form
    89,345,042.70/134,017,564.05 = 28,760,768.70/x
  3. Step 3: Cross multiply
    89,345,042.70x = 134,017,564.05 × 28,760,768.70
  4. Step 4: Simplify right side
    89,345,042.70x = 3,854,448,161,379,485
  5. Step 5: Solve for x
    x = 3,854,448,161,379,485/89,345,042.70
  6. Step 6: Final answer
    x = 43,141,153.05

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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.