Home / 80,627,070.80-111,260,563.08-45,814,929.68

Finding the Fourth Proportional to 80,627,070.80, 111,260,563.08 and 45,814,929.68

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Solution

The fourth proportional to 80,627,070.80, 111,260,563.08 and 45,814,929.68 is: 63,221,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,627,070.80 : 111,260,563.08 = 45,814,929.68 : x
  2. Step 2: Convert to fraction form
    80,627,070.80/111,260,563.08 = 45,814,929.68/x
  3. Step 3: Cross multiply
    80,627,070.80x = 111,260,563.08 × 45,814,929.68
  4. Step 4: Simplify right side
    80,627,070.80x = 5,097,394,873,667,404
  5. Step 5: Solve for x
    x = 5,097,394,873,667,404/80,627,070.80
  6. Step 6: Final answer
    x = 63,221,878.50

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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.