Home / 93,312,081.70-139,968,122.55-81,368,145.70

Finding the Fourth Proportional to 93,312,081.70, 139,968,122.55 and 81,368,145.70

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Solution

The fourth proportional to 93,312,081.70, 139,968,122.55 and 81,368,145.70 is: 122,052,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,081.70 : 139,968,122.55 = 81,368,145.70 : x
  2. Step 2: Convert to fraction form
    93,312,081.70/139,968,122.55 = 81,368,145.70/x
  3. Step 3: Cross multiply
    93,312,081.70x = 139,968,122.55 × 81,368,145.70
  4. Step 4: Simplify right side
    93,312,081.70x = 11,388,946,589,003,856
  5. Step 5: Solve for x
    x = 11,388,946,589,003,856/93,312,081.70
  6. Step 6: Final answer
    x = 122,052,218.55

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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.