Home / 105,205,667.13-145,188,304.20-58,795,919.28

Finding the Fourth Proportional to 105,205,667.13, 145,188,304.20 and 58,795,919.28

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Solution

The fourth proportional to 105,205,667.13, 145,188,304.20 and 58,795,919.28 is: 81,140,874.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,205,667.13 : 145,188,304.20 = 58,795,919.28 : x
  2. Step 2: Convert to fraction form
    105,205,667.13/145,188,304.20 = 58,795,919.28/x
  3. Step 3: Cross multiply
    105,205,667.13x = 145,188,304.20 × 58,795,919.28
  4. Step 4: Simplify right side
    105,205,667.13x = 8,536,479,814,143,284
  5. Step 5: Solve for x
    x = 8,536,479,814,143,284/105,205,667.13
  6. Step 6: Final answer
    x = 81,140,874.32

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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.