Home / 228,563,940.39-315,416,504.12-124,142,759.06

Finding the Fourth Proportional to 228,563,940.39, 315,416,504.12 and 124,142,759.06

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Solution

The fourth proportional to 228,563,940.39, 315,416,504.12 and 124,142,759.06 is: 171,316,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,563,940.39 : 315,416,504.12 = 124,142,759.06 : x
  2. Step 2: Convert to fraction form
    228,563,940.39/315,416,504.12 = 124,142,759.06/x
  3. Step 3: Cross multiply
    228,563,940.39x = 315,416,504.12 × 124,142,759.06
  4. Step 4: Simplify right side
    228,563,940.39x = 39,156,675,074,516,656
  5. Step 5: Solve for x
    x = 39,156,675,074,516,656/228,563,940.39
  6. Step 6: Final answer
    x = 171,316,065.90

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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.