Home / 56,165,712.40-84,248,568.60-49,788,420.40

Finding the Fourth Proportional to 56,165,712.40, 84,248,568.60 and 49,788,420.40

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Solution

The fourth proportional to 56,165,712.40, 84,248,568.60 and 49,788,420.40 is: 74,682,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,165,712.40 : 84,248,568.60 = 49,788,420.40 : x
  2. Step 2: Convert to fraction form
    56,165,712.40/84,248,568.60 = 49,788,420.40/x
  3. Step 3: Cross multiply
    56,165,712.40x = 84,248,568.60 × 49,788,420.40
  4. Step 4: Simplify right side
    56,165,712.40x = 4,194,603,151,555,039
  5. Step 5: Solve for x
    x = 4,194,603,151,555,039/56,165,712.40
  6. Step 6: Final answer
    x = 74,682,630.60

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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.