Home / 112,810,567.92-155,641,370.37-68,139,848.73

Finding the Fourth Proportional to 112,810,567.92, 155,641,370.37 and 68,139,848.73

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Solution

The fourth proportional to 112,810,567.92, 155,641,370.37 and 68,139,848.73 is: 94,010,513.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,810,567.92 : 155,641,370.37 = 68,139,848.73 : x
  2. Step 2: Convert to fraction form
    112,810,567.92/155,641,370.37 = 68,139,848.73/x
  3. Step 3: Cross multiply
    112,810,567.92x = 155,641,370.37 × 68,139,848.73
  4. Step 4: Simplify right side
    112,810,567.92x = 10,605,379,433,141,706
  5. Step 5: Solve for x
    x = 10,605,379,433,141,706/112,810,567.92
  6. Step 6: Final answer
    x = 94,010,513.63

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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.