Home / 85,672,086.18-128,505,676.77-24,261,099.65

Finding the Fourth Proportional to 85,672,086.18, 128,505,676.77 and 24,261,099.65

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Solution

The fourth proportional to 85,672,086.18, 128,505,676.77 and 24,261,099.65 is: 36,390,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,672,086.18 : 128,505,676.77 = 24,261,099.65 : x
  2. Step 2: Convert to fraction form
    85,672,086.18/128,505,676.77 = 24,261,099.65/x
  3. Step 3: Cross multiply
    85,672,086.18x = 128,505,676.77 × 24,261,099.65
  4. Step 4: Simplify right side
    85,672,086.18x = 3,117,689,029,547,028
  5. Step 5: Solve for x
    x = 3,117,689,029,547,028/85,672,086.18
  6. Step 6: Final answer
    x = 36,390,954.96

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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.