Home / 105,337,850.22-145,366,448.31-58,928,880.78

Finding the Fourth Proportional to 105,337,850.22, 145,366,448.31 and 58,928,880.78

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Solution

The fourth proportional to 105,337,850.22, 145,366,448.31 and 58,928,880.78 is: 81,321,975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,337,850.22 : 145,366,448.31 = 58,928,880.78 : x
  2. Step 2: Convert to fraction form
    105,337,850.22/145,366,448.31 = 58,928,880.78/x
  3. Step 3: Cross multiply
    105,337,850.22x = 145,366,448.31 × 58,928,880.78
  4. Step 4: Simplify right side
    105,337,850.22x = 8,566,282,101,872,023
  5. Step 5: Solve for x
    x = 8,566,282,101,872,023/105,337,850.22
  6. Step 6: Final answer
    x = 81,321,975.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.