Home / 309,564,608.40-464,346,912.60-125,331,728.40

Finding the Fourth Proportional to 309,564,608.40, 464,346,912.60 and 125,331,728.40

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Solution

The fourth proportional to 309,564,608.40, 464,346,912.60 and 125,331,728.40 is: 187,997,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,564,608.40 : 464,346,912.60 = 125,331,728.40 : x
  2. Step 2: Convert to fraction form
    309,564,608.40/464,346,912.60 = 125,331,728.40/x
  3. Step 3: Cross multiply
    309,564,608.40x = 464,346,912.60 × 125,331,728.40
  4. Step 4: Simplify right side
    309,564,608.40x = 58,197,401,133,361,744
  5. Step 5: Solve for x
    x = 58,197,401,133,361,744/309,564,608.40
  6. Step 6: Final answer
    x = 187,997,592.60

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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.