Home / 155,500,351.12-214,589,209.01-84,936,006.29

Finding the Fourth Proportional to 155,500,351.12, 214,589,209.01 and 84,936,006.29

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Solution

The fourth proportional to 155,500,351.12, 214,589,209.01 and 84,936,006.29 is: 117,210,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,500,351.12 : 214,589,209.01 = 84,936,006.29 : x
  2. Step 2: Convert to fraction form
    155,500,351.12/214,589,209.01 = 84,936,006.29/x
  3. Step 3: Cross multiply
    155,500,351.12x = 214,589,209.01 × 84,936,006.29
  4. Step 4: Simplify right side
    155,500,351.12x = 18,226,350,406,239,484
  5. Step 5: Solve for x
    x = 18,226,350,406,239,484/155,500,351.12
  6. Step 6: Final answer
    x = 117,210,991.97

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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.