Home / 272,922,779.60-409,568,371.88-106,905,692.06

Finding the Fourth Proportional to 272,922,779.60, 409,568,371.88 and 106,905,692.06

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Solution

The fourth proportional to 272,922,779.60, 409,568,371.88 and 106,905,692.06 is: 160,430,691.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,922,779.60 : 409,568,371.88 = 106,905,692.06 : x
  2. Step 2: Convert to fraction form
    272,922,779.60/409,568,371.88 = 106,905,692.06/x
  3. Step 3: Cross multiply
    272,922,779.60x = 409,568,371.88 × 106,905,692.06
  4. Step 4: Simplify right side
    272,922,779.60x = 43,785,190,241,718,840
  5. Step 5: Solve for x
    x = 43,785,190,241,718,840/272,922,779.60
  6. Step 6: Final answer
    x = 160,430,691.44

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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.