Home / 89,162,130.56-123,057,189.63-54,374,999.40

Finding the Fourth Proportional to 89,162,130.56, 123,057,189.63 and 54,374,999.40

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Solution

The fourth proportional to 89,162,130.56, 123,057,189.63 and 54,374,999.40 is: 75,045,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,162,130.56 : 123,057,189.63 = 54,374,999.40 : x
  2. Step 2: Convert to fraction form
    89,162,130.56/123,057,189.63 = 54,374,999.40/x
  3. Step 3: Cross multiply
    89,162,130.56x = 123,057,189.63 × 54,374,999.40
  4. Step 4: Simplify right side
    89,162,130.56x = 6,691,234,612,296,936
  5. Step 5: Solve for x
    x = 6,691,234,612,296,936/89,162,130.56
  6. Step 6: Final answer
    x = 75,045,701.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.