Home / 220,608,666.60-330,912,999.90-146,632,079.40

Finding the Fourth Proportional to 220,608,666.60, 330,912,999.90 and 146,632,079.40

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Solution

The fourth proportional to 220,608,666.60, 330,912,999.90 and 146,632,079.40 is: 219,948,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,608,666.60 : 330,912,999.90 = 146,632,079.40 : x
  2. Step 2: Convert to fraction form
    220,608,666.60/330,912,999.90 = 146,632,079.40/x
  3. Step 3: Cross multiply
    220,608,666.60x = 330,912,999.90 × 146,632,079.40
  4. Step 4: Simplify right side
    220,608,666.60x = 48,522,461,275,828,992
  5. Step 5: Solve for x
    x = 48,522,461,275,828,992/220,608,666.60
  6. Step 6: Final answer
    x = 219,948,119.10

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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.