Home / 152,213,985.73-210,055,300.32-82,599,366.61

Finding the Fourth Proportional to 152,213,985.73, 210,055,300.32 and 82,599,366.61

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Solution

The fourth proportional to 152,213,985.73, 210,055,300.32 and 82,599,366.61 is: 113,987,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,213,985.73 : 210,055,300.32 = 82,599,366.61 : x
  2. Step 2: Convert to fraction form
    152,213,985.73/210,055,300.32 = 82,599,366.61/x
  3. Step 3: Cross multiply
    152,213,985.73x = 210,055,300.32 × 82,599,366.61
  4. Step 4: Simplify right side
    152,213,985.73x = 17,350,434,759,613,438
  5. Step 5: Solve for x
    x = 17,350,434,759,613,438/152,213,985.73
  6. Step 6: Final answer
    x = 113,987,125.93

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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.