Home / 112,309,028.40-168,519,529.80-63,824,113.20

Finding the Fourth Proportional to 112,309,028.40, 168,519,529.80 and 63,824,113.20

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Solution

The fourth proportional to 112,309,028.40, 168,519,529.80 and 63,824,113.20 is: 95,767,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,309,028.40 : 168,519,529.80 = 63,824,113.20 : x
  2. Step 2: Convert to fraction form
    112,309,028.40/168,519,529.80 = 63,824,113.20/x
  3. Step 3: Cross multiply
    112,309,028.40x = 168,519,529.80 × 63,824,113.20
  4. Step 4: Simplify right side
    112,309,028.40x = 10,755,609,546,365,974
  5. Step 5: Solve for x
    x = 10,755,609,546,365,974/112,309,028.40
  6. Step 6: Final answer
    x = 95,767,986.77

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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.