Home / 74,681,709.40-112,022,564.10-48,853,676.80

Finding the Fourth Proportional to 74,681,709.40, 112,022,564.10 and 48,853,676.80

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Solution

The fourth proportional to 74,681,709.40, 112,022,564.10 and 48,853,676.80 is: 73,280,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,681,709.40 : 112,022,564.10 = 48,853,676.80 : x
  2. Step 2: Convert to fraction form
    74,681,709.40/112,022,564.10 = 48,853,676.80/x
  3. Step 3: Cross multiply
    74,681,709.40x = 112,022,564.10 × 48,853,676.80
  4. Step 4: Simplify right side
    74,681,709.40x = 5,472,714,140,848,682
  5. Step 5: Solve for x
    x = 5,472,714,140,848,682/74,681,709.40
  6. Step 6: Final answer
    x = 73,280,515.20

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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.