Home / 49,011,878.20-73,517,817.30-42,209,433.40

Finding the Fourth Proportional to 49,011,878.20, 73,517,817.30 and 42,209,433.40

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Solution

The fourth proportional to 49,011,878.20, 73,517,817.30 and 42,209,433.40 is: 63,314,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,011,878.20 : 73,517,817.30 = 42,209,433.40 : x
  2. Step 2: Convert to fraction form
    49,011,878.20/73,517,817.30 = 42,209,433.40/x
  3. Step 3: Cross multiply
    49,011,878.20x = 73,517,817.30 × 42,209,433.40
  4. Step 4: Simplify right side
    49,011,878.20x = 3,103,145,413,037,717.50
  5. Step 5: Solve for x
    x = 3,103,145,413,037,717.50/49,011,878.20
  6. Step 6: Final answer
    x = 63,314,150.10

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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.