Home / 100,539,232.96-150,668,246.76-54,381,416.80

Finding the Fourth Proportional to 100,539,232.96, 150,668,246.76 and 54,381,416.80

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Solution

The fourth proportional to 100,539,232.96, 150,668,246.76 and 54,381,416.80 is: 81,496,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,539,232.96 : 150,668,246.76 = 54,381,416.80 : x
  2. Step 2: Convert to fraction form
    100,539,232.96/150,668,246.76 = 54,381,416.80/x
  3. Step 3: Cross multiply
    100,539,232.96x = 150,668,246.76 × 54,381,416.80
  4. Step 4: Simplify right side
    100,539,232.96x = 8,193,552,725,580,809
  5. Step 5: Solve for x
    x = 8,193,552,725,580,809/100,539,232.96
  6. Step 6: Final answer
    x = 81,496,073.57

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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.