Home / 137,826,992.04-190,201,267.08-75,103,100.52

Finding the Fourth Proportional to 137,826,992.04, 190,201,267.08 and 75,103,100.52

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Solution

The fourth proportional to 137,826,992.04, 190,201,267.08 and 75,103,100.52 is: 103,642,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,826,992.04 : 190,201,267.08 = 75,103,100.52 : x
  2. Step 2: Convert to fraction form
    137,826,992.04/190,201,267.08 = 75,103,100.52/x
  3. Step 3: Cross multiply
    137,826,992.04x = 190,201,267.08 × 75,103,100.52
  4. Step 4: Simplify right side
    137,826,992.04x = 14,284,704,880,540,608
  5. Step 5: Solve for x
    x = 14,284,704,880,540,608/137,826,992.04
  6. Step 6: Final answer
    x = 103,642,288.56

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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.