Home / 131,873,418.63-197,769,642.33-91,194,267.30

Finding the Fourth Proportional to 131,873,418.63, 197,769,642.33 and 91,194,267.30

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Solution

The fourth proportional to 131,873,418.63, 197,769,642.33 and 91,194,267.30 is: 136,763,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,873,418.63 : 197,769,642.33 = 91,194,267.30 : x
  2. Step 2: Convert to fraction form
    131,873,418.63/197,769,642.33 = 91,194,267.30/x
  3. Step 3: Cross multiply
    131,873,418.63x = 197,769,642.33 × 91,194,267.30
  4. Step 4: Simplify right side
    131,873,418.63x = 18,035,457,626,467,416
  5. Step 5: Solve for x
    x = 18,035,457,626,467,416/131,873,418.63
  6. Step 6: Final answer
    x = 136,763,403.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.