Home / 155,759,156.16-214,954,317.12-86,144,516.16

Finding the Fourth Proportional to 155,759,156.16, 214,954,317.12 and 86,144,516.16

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Solution

The fourth proportional to 155,759,156.16, 214,954,317.12 and 86,144,516.16 is: 118,883,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,759,156.16 : 214,954,317.12 = 86,144,516.16 : x
  2. Step 2: Convert to fraction form
    155,759,156.16/214,954,317.12 = 86,144,516.16/x
  3. Step 3: Cross multiply
    155,759,156.16x = 214,954,317.12 × 86,144,516.16
  4. Step 4: Simplify right side
    155,759,156.16x = 18,517,135,644,805,604
  5. Step 5: Solve for x
    x = 18,517,135,644,805,604/155,759,156.16
  6. Step 6: Final answer
    x = 118,883,127.65

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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.