Home / 140,634,352.70-210,906,809.80-131,453,435.03

Finding the Fourth Proportional to 140,634,352.70, 210,906,809.80 and 131,453,435.03

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Solution

The fourth proportional to 140,634,352.70, 210,906,809.80 and 131,453,435.03 is: 197,138,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,634,352.70 : 210,906,809.80 = 131,453,435.03 : x
  2. Step 2: Convert to fraction form
    140,634,352.70/210,906,809.80 = 131,453,435.03/x
  3. Step 3: Cross multiply
    140,634,352.70x = 210,906,809.80 × 131,453,435.03
  4. Step 4: Simplify right side
    140,634,352.70x = 27,724,424,618,711,148
  5. Step 5: Solve for x
    x = 27,724,424,618,711,148/140,634,352.70
  6. Step 6: Final answer
    x = 197,138,352.66

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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.