Home / 155,502,213.23-214,591,636.37-84,937,812.14

Finding the Fourth Proportional to 155,502,213.23, 214,591,636.37 and 84,937,812.14

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Solution

The fourth proportional to 155,502,213.23, 214,591,636.37 and 84,937,812.14 is: 117,213,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,502,213.23 : 214,591,636.37 = 84,937,812.14 : x
  2. Step 2: Convert to fraction form
    155,502,213.23/214,591,636.37 = 84,937,812.14/x
  3. Step 3: Cross multiply
    155,502,213.23x = 214,591,636.37 × 84,937,812.14
  4. Step 4: Simplify right side
    155,502,213.23x = 18,226,944,095,312,608
  5. Step 5: Solve for x
    x = 18,226,944,095,312,608/155,502,213.23
  6. Step 6: Final answer
    x = 117,213,406.27

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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.