Home / 135,971,083.89-203,956,370.93-42,605,203.46

Finding the Fourth Proportional to 135,971,083.89, 203,956,370.93 and 42,605,203.46

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Solution

The fourth proportional to 135,971,083.89, 203,956,370.93 and 42,605,203.46 is: 63,907,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,971,083.89 : 203,956,370.93 = 42,605,203.46 : x
  2. Step 2: Convert to fraction form
    135,971,083.89/203,956,370.93 = 42,605,203.46/x
  3. Step 3: Cross multiply
    135,971,083.89x = 203,956,370.93 × 42,605,203.46
  4. Step 4: Simplify right side
    135,971,083.89x = 8,689,602,680,435,880
  5. Step 5: Solve for x
    x = 8,689,602,680,435,880/135,971,083.89
  6. Step 6: Final answer
    x = 63,907,725.32

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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.