Home / 215,937,182.80-323,513,863.80-124,790,021.20

Finding the Fourth Proportional to 215,937,182.80, 323,513,863.80 and 124,790,021.20

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Solution

The fourth proportional to 215,937,182.80, 323,513,863.80 and 124,790,021.20 is: 186,958,546.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,937,182.80 : 323,513,863.80 = 124,790,021.20 : x
  2. Step 2: Convert to fraction form
    215,937,182.80/323,513,863.80 = 124,790,021.20/x
  3. Step 3: Cross multiply
    215,937,182.80x = 323,513,863.80 × 124,790,021.20
  4. Step 4: Simplify right side
    215,937,182.80x = 40,371,301,922,095,912
  5. Step 5: Solve for x
    x = 40,371,301,922,095,912/215,937,182.80
  6. Step 6: Final answer
    x = 186,958,546.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.