Home / 195,143,879.03-269,298,989.91-112,637,598.17

Finding the Fourth Proportional to 195,143,879.03, 269,298,989.91 and 112,637,598.17

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Solution

The fourth proportional to 195,143,879.03, 269,298,989.91 and 112,637,598.17 is: 155,440,137.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,143,879.03 : 269,298,989.91 = 112,637,598.17 : x
  2. Step 2: Convert to fraction form
    195,143,879.03/269,298,989.91 = 112,637,598.17/x
  3. Step 3: Cross multiply
    195,143,879.03x = 269,298,989.91 × 112,637,598.17
  4. Step 4: Simplify right side
    195,143,879.03x = 30,333,191,411,722,976
  5. Step 5: Solve for x
    x = 30,333,191,411,722,976/195,143,879.03
  6. Step 6: Final answer
    x = 155,440,137.62

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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.