Home / 89,166,090.90-133,749,136.35-75,561,201.30

Finding the Fourth Proportional to 89,166,090.90, 133,749,136.35 and 75,561,201.30

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Solution

The fourth proportional to 89,166,090.90, 133,749,136.35 and 75,561,201.30 is: 113,341,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,166,090.90 : 133,749,136.35 = 75,561,201.30 : x
  2. Step 2: Convert to fraction form
    89,166,090.90/133,749,136.35 = 75,561,201.30/x
  3. Step 3: Cross multiply
    89,166,090.90x = 133,749,136.35 × 75,561,201.30
  4. Step 4: Simplify right side
    89,166,090.90x = 10,106,245,415,443,496
  5. Step 5: Solve for x
    x = 10,106,245,415,443,496/89,166,090.90
  6. Step 6: Final answer
    x = 113,341,801.95

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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.