Home / 140,030,486.56-210,078,722.76-47,915,227.54

Finding the Fourth Proportional to 140,030,486.56, 210,078,722.76 and 47,915,227.54

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Solution

The fourth proportional to 140,030,486.56, 210,078,722.76 and 47,915,227.54 is: 71,884,130.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,030,486.56 : 210,078,722.76 = 47,915,227.54 : x
  2. Step 2: Convert to fraction form
    140,030,486.56/210,078,722.76 = 47,915,227.54/x
  3. Step 3: Cross multiply
    140,030,486.56x = 210,078,722.76 × 47,915,227.54
  4. Step 4: Simplify right side
    140,030,486.56x = 10,065,969,802,357,976
  5. Step 5: Solve for x
    x = 10,065,969,802,357,976/140,030,486.56
  6. Step 6: Final answer
    x = 71,884,130.73

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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.