Home / 142,508,334.96-213,794,735.21-76,928,065.07

Finding the Fourth Proportional to 142,508,334.96, 213,794,735.21 and 76,928,065.07

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Solution

The fourth proportional to 142,508,334.96, 213,794,735.21 and 76,928,065.07 is: 115,409,497.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,508,334.96 : 213,794,735.21 = 76,928,065.07 : x
  2. Step 2: Convert to fraction form
    142,508,334.96/213,794,735.21 = 76,928,065.07/x
  3. Step 3: Cross multiply
    142,508,334.96x = 213,794,735.21 × 76,928,065.07
  4. Step 4: Simplify right side
    142,508,334.96x = 16,446,815,300,909,334
  5. Step 5: Solve for x
    x = 16,446,815,300,909,334/142,508,334.96
  6. Step 6: Final answer
    x = 115,409,497.31

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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.