Home / 272,801,576.70-409,202,365.05-163,962,459.90

Finding the Fourth Proportional to 272,801,576.70, 409,202,365.05 and 163,962,459.90

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Solution

The fourth proportional to 272,801,576.70, 409,202,365.05 and 163,962,459.90 is: 245,943,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,801,576.70 : 409,202,365.05 = 163,962,459.90 : x
  2. Step 2: Convert to fraction form
    272,801,576.70/409,202,365.05 = 163,962,459.90/x
  3. Step 3: Cross multiply
    272,801,576.70x = 409,202,365.05 × 163,962,459.90
  4. Step 4: Simplify right side
    272,801,576.70x = 67,093,826,370,495,792
  5. Step 5: Solve for x
    x = 67,093,826,370,495,792/272,801,576.70
  6. Step 6: Final answer
    x = 245,943,689.85

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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.