Home / 56,165,742.60-78,858,787.80-56,165,742.60

Finding the Fourth Proportional to 56,165,742.60, 78,858,787.80 and 56,165,742.60

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Solution

The fourth proportional to 56,165,742.60, 78,858,787.80 and 56,165,742.60 is: 78,858,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,165,742.60 : 78,858,787.80 = 56,165,742.60 : x
  2. Step 2: Convert to fraction form
    56,165,742.60/78,858,787.80 = 56,165,742.60/x
  3. Step 3: Cross multiply
    56,165,742.60x = 78,858,787.80 × 56,165,742.60
  4. Step 4: Simplify right side
    56,165,742.60x = 4,429,162,377,322,820
  5. Step 5: Solve for x
    x = 4,429,162,377,322,820/56,165,742.60
  6. Step 6: Final answer
    x = 78,858,787.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.