Home / 55,209,969.40-82,814,954.10-28,000,190.20

Finding the Fourth Proportional to 55,209,969.40, 82,814,954.10 and 28,000,190.20

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Solution

The fourth proportional to 55,209,969.40, 82,814,954.10 and 28,000,190.20 is: 42,000,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,209,969.40 : 82,814,954.10 = 28,000,190.20 : x
  2. Step 2: Convert to fraction form
    55,209,969.40/82,814,954.10 = 28,000,190.20/x
  3. Step 3: Cross multiply
    55,209,969.40x = 82,814,954.10 × 28,000,190.20
  4. Step 4: Simplify right side
    55,209,969.40x = 2,318,834,466,204,269.50
  5. Step 5: Solve for x
    x = 2,318,834,466,204,269.50/55,209,969.40
  6. Step 6: Final answer
    x = 42,000,285.30

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1.5x scale

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.