Home / 178,128,734.58-245,811,706.83-98,740,459.62

Finding the Fourth Proportional to 178,128,734.58, 245,811,706.83 and 98,740,459.62

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Solution

The fourth proportional to 178,128,734.58, 245,811,706.83 and 98,740,459.62 is: 136,258,537.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,128,734.58 : 245,811,706.83 = 98,740,459.62 : x
  2. Step 2: Convert to fraction form
    178,128,734.58/245,811,706.83 = 98,740,459.62/x
  3. Step 3: Cross multiply
    178,128,734.58x = 245,811,706.83 × 98,740,459.62
  4. Step 4: Simplify right side
    178,128,734.58x = 24,271,560,912,370,896
  5. Step 5: Solve for x
    x = 24,271,560,912,370,896/178,128,734.58
  6. Step 6: Final answer
    x = 136,258,537.79

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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.