Home / 85,855,578.21-118,469,944.31-58,038,812.19

Finding the Fourth Proportional to 85,855,578.21, 118,469,944.31 and 58,038,812.19

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Solution

The fourth proportional to 85,855,578.21, 118,469,944.31 and 58,038,812.19 is: 80,086,291.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,855,578.21 : 118,469,944.31 = 58,038,812.19 : x
  2. Step 2: Convert to fraction form
    85,855,578.21/118,469,944.31 = 58,038,812.19/x
  3. Step 3: Cross multiply
    85,855,578.21x = 118,469,944.31 × 58,038,812.19
  4. Step 4: Simplify right side
    85,855,578.21x = 6,875,854,847,677,655
  5. Step 5: Solve for x
    x = 6,875,854,847,677,655/85,855,578.21
  6. Step 6: Final answer
    x = 80,086,291.32

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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.