Home / 98,982,450.80-148,473,676.20-66,733,823.60

Finding the Fourth Proportional to 98,982,450.80, 148,473,676.20 and 66,733,823.60

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Solution

The fourth proportional to 98,982,450.80, 148,473,676.20 and 66,733,823.60 is: 100,100,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,982,450.80 : 148,473,676.20 = 66,733,823.60 : x
  2. Step 2: Convert to fraction form
    98,982,450.80/148,473,676.20 = 66,733,823.60/x
  3. Step 3: Cross multiply
    98,982,450.80x = 148,473,676.20 × 66,733,823.60
  4. Step 4: Simplify right side
    98,982,450.80x = 9,908,216,116,774,318
  5. Step 5: Solve for x
    x = 9,908,216,116,774,318/98,982,450.80
  6. Step 6: Final answer
    x = 100,100,735.40

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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.