Home / 86,629,173.09-129,856,320.94-54,303,776.04

Finding the Fourth Proportional to 86,629,173.09, 129,856,320.94 and 54,303,776.04

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Solution

The fourth proportional to 86,629,173.09, 129,856,320.94 and 54,303,776.04 is: 81,400,852.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,629,173.09 : 129,856,320.94 = 54,303,776.04 : x
  2. Step 2: Convert to fraction form
    86,629,173.09/129,856,320.94 = 54,303,776.04/x
  3. Step 3: Cross multiply
    86,629,173.09x = 129,856,320.94 × 54,303,776.04
  4. Step 4: Simplify right side
    86,629,173.09x = 7,051,688,569,704,122
  5. Step 5: Solve for x
    x = 7,051,688,569,704,122/86,629,173.09
  6. Step 6: Final answer
    x = 81,400,852.83

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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.