Home / 56,113,310.40-84,169,965.60-54,433,694.40

Finding the Fourth Proportional to 56,113,310.40, 84,169,965.60 and 54,433,694.40

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Solution

The fourth proportional to 56,113,310.40, 84,169,965.60 and 54,433,694.40 is: 81,650,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,113,310.40 : 84,169,965.60 = 54,433,694.40 : x
  2. Step 2: Convert to fraction form
    56,113,310.40/84,169,965.60 = 54,433,694.40/x
  3. Step 3: Cross multiply
    56,113,310.40x = 84,169,965.60 × 54,433,694.40
  4. Step 4: Simplify right side
    56,113,310.40x = 4,581,682,185,128,912
  5. Step 5: Solve for x
    x = 4,581,682,185,128,912/56,113,310.40
  6. Step 6: Final answer
    x = 81,650,541.60

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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.