Home / 70,392,487.45-105,588,928.01-21,877,435.39

Finding the Fourth Proportional to 70,392,487.45, 105,588,928.01 and 21,877,435.39

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Solution

The fourth proportional to 70,392,487.45, 105,588,928.01 and 21,877,435.39 is: 32,816,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,392,487.45 : 105,588,928.01 = 21,877,435.39 : x
  2. Step 2: Convert to fraction form
    70,392,487.45/105,588,928.01 = 21,877,435.39/x
  3. Step 3: Cross multiply
    70,392,487.45x = 105,588,928.01 × 21,877,435.39
  4. Step 4: Simplify right side
    70,392,487.45x = 2,310,014,950,438,136.50
  5. Step 5: Solve for x
    x = 2,310,014,950,438,136.50/70,392,487.45
  6. Step 6: Final answer
    x = 32,816,214.26

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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.