Home / 101,232,381.65-139,699,991.16-54,821,573.51

Finding the Fourth Proportional to 101,232,381.65, 139,699,991.16 and 54,821,573.51

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Solution

The fourth proportional to 101,232,381.65, 139,699,991.16 and 54,821,573.51 is: 75,653,394.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,232,381.65 : 139,699,991.16 = 54,821,573.51 : x
  2. Step 2: Convert to fraction form
    101,232,381.65/139,699,991.16 = 54,821,573.51/x
  3. Step 3: Cross multiply
    101,232,381.65x = 139,699,991.16 × 54,821,573.51
  4. Step 4: Simplify right side
    101,232,381.65x = 7,658,573,334,025,790
  5. Step 5: Solve for x
    x = 7,658,573,334,025,790/101,232,381.65
  6. Step 6: Final answer
    x = 75,653,394.79

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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.