Home / 89,140,118.67-122,968,091.12-58,218,388.11

Finding the Fourth Proportional to 89,140,118.67, 122,968,091.12 and 58,218,388.11

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Solution

The fourth proportional to 89,140,118.67, 122,968,091.12 and 58,218,388.11 is: 80,311,807.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,140,118.67 : 122,968,091.12 = 58,218,388.11 : x
  2. Step 2: Convert to fraction form
    89,140,118.67/122,968,091.12 = 58,218,388.11/x
  3. Step 3: Cross multiply
    89,140,118.67x = 122,968,091.12 × 58,218,388.11
  4. Step 4: Simplify right side
    89,140,118.67x = 7,159,004,053,678,912
  5. Step 5: Solve for x
    x = 7,159,004,053,678,912/89,140,118.67
  6. Step 6: Final answer
    x = 80,311,807.53

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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.