Home / 89,102,207.88-133,446,049.80-86,650,362.18

Finding the Fourth Proportional to 89,102,207.88, 133,446,049.80 and 86,650,362.18

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Solution

The fourth proportional to 89,102,207.88, 133,446,049.80 and 86,650,362.18 is: 129,773,984.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,102,207.88 : 133,446,049.80 = 86,650,362.18 : x
  2. Step 2: Convert to fraction form
    89,102,207.88/133,446,049.80 = 86,650,362.18/x
  3. Step 3: Cross multiply
    89,102,207.88x = 133,446,049.80 × 86,650,362.18
  4. Step 4: Simplify right side
    89,102,207.88x = 11,563,148,546,660,318
  5. Step 5: Solve for x
    x = 11,563,148,546,660,318/89,102,207.88
  6. Step 6: Final answer
    x = 129,773,984.53

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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.