Home / 272,173,358.70-408,260,038.05-163,334,241.90

Finding the Fourth Proportional to 272,173,358.70, 408,260,038.05 and 163,334,241.90

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Solution

The fourth proportional to 272,173,358.70, 408,260,038.05 and 163,334,241.90 is: 245,001,362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,173,358.70 : 408,260,038.05 = 163,334,241.90 : x
  2. Step 2: Convert to fraction form
    272,173,358.70/408,260,038.05 = 163,334,241.90/x
  3. Step 3: Cross multiply
    272,173,358.70x = 408,260,038.05 × 163,334,241.90
  4. Step 4: Simplify right side
    272,173,358.70x = 66,682,843,812,961,912
  5. Step 5: Solve for x
    x = 66,682,843,812,961,912/272,173,358.70
  6. Step 6: Final answer
    x = 245,001,362.85

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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.