Home / 147,515,846.40-221,273,769.60-70,988,342.40

Finding the Fourth Proportional to 147,515,846.40, 221,273,769.60 and 70,988,342.40

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Solution

The fourth proportional to 147,515,846.40, 221,273,769.60 and 70,988,342.40 is: 106,482,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,515,846.40 : 221,273,769.60 = 70,988,342.40 : x
  2. Step 2: Convert to fraction form
    147,515,846.40/221,273,769.60 = 70,988,342.40/x
  3. Step 3: Cross multiply
    147,515,846.40x = 221,273,769.60 × 70,988,342.40
  4. Step 4: Simplify right side
    147,515,846.40x = 15,707,858,120,503,512
  5. Step 5: Solve for x
    x = 15,707,858,120,503,512/147,515,846.40
  6. Step 6: Final answer
    x = 106,482,513.60

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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.