Home / 86,629,174.90-129,856,323.66-54,303,777.86

Finding the Fourth Proportional to 86,629,174.90, 129,856,323.66 and 54,303,777.86

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Solution

The fourth proportional to 86,629,174.90, 129,856,323.66 and 54,303,777.86 is: 81,400,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,629,174.90 : 129,856,323.66 = 54,303,777.86 : x
  2. Step 2: Convert to fraction form
    86,629,174.90/129,856,323.66 = 54,303,777.86/x
  3. Step 3: Cross multiply
    86,629,174.90x = 129,856,323.66 × 54,303,777.86
  4. Step 4: Simplify right side
    86,629,174.90x = 7,051,688,952,895,981
  5. Step 5: Solve for x
    x = 7,051,688,952,895,981/86,629,174.90
  6. Step 6: Final answer
    x = 81,400,855.56

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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.