Home / 146,592,609.60-219,888,914.40-139,874,145.60

Finding the Fourth Proportional to 146,592,609.60, 219,888,914.40 and 139,874,145.60

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Solution

The fourth proportional to 146,592,609.60, 219,888,914.40 and 139,874,145.60 is: 209,811,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,592,609.60 : 219,888,914.40 = 139,874,145.60 : x
  2. Step 2: Convert to fraction form
    146,592,609.60/219,888,914.40 = 139,874,145.60/x
  3. Step 3: Cross multiply
    146,592,609.60x = 219,888,914.40 × 139,874,145.60
  4. Step 4: Simplify right side
    146,592,609.60x = 30,756,774,028,611,536
  5. Step 5: Solve for x
    x = 30,756,774,028,611,536/146,592,609.60
  6. Step 6: Final answer
    x = 209,811,218.40

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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.