Home / 75,705,683.58-113,559,436.01-21,114,945.05

Finding the Fourth Proportional to 75,705,683.58, 113,559,436.01 and 21,114,945.05

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Solution

The fourth proportional to 75,705,683.58, 113,559,436.01 and 21,114,945.05 is: 31,672,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,705,683.58 : 113,559,436.01 = 21,114,945.05 : x
  2. Step 2: Convert to fraction form
    75,705,683.58/113,559,436.01 = 21,114,945.05/x
  3. Step 3: Cross multiply
    75,705,683.58x = 113,559,436.01 × 21,114,945.05
  4. Step 4: Simplify right side
    75,705,683.58x = 2,397,801,251,260,141.50
  5. Step 5: Solve for x
    x = 2,397,801,251,260,141.50/75,705,683.58
  6. Step 6: Final answer
    x = 31,672,671.56

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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.