Home / 155,116,254.67-214,053,990.25-84,550,313.14

Finding the Fourth Proportional to 155,116,254.67, 214,053,990.25 and 84,550,313.14

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Solution

The fourth proportional to 155,116,254.67, 214,053,990.25 and 84,550,313.14 is: 116,675,921.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,116,254.67 : 214,053,990.25 = 84,550,313.14 : x
  2. Step 2: Convert to fraction form
    155,116,254.67/214,053,990.25 = 84,550,313.14/x
  3. Step 3: Cross multiply
    155,116,254.67x = 214,053,990.25 × 84,550,313.14
  4. Step 4: Simplify right side
    155,116,254.67x = 18,098,331,904,504,008
  5. Step 5: Solve for x
    x = 18,098,331,904,504,008/155,116,254.67
  6. Step 6: Final answer
    x = 116,675,921.19

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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.