Home / 49,209,619.10-73,814,428.65-45,626,438.30

Finding the Fourth Proportional to 49,209,619.10, 73,814,428.65 and 45,626,438.30

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Solution

The fourth proportional to 49,209,619.10, 73,814,428.65 and 45,626,438.30 is: 68,439,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,209,619.10 : 73,814,428.65 = 45,626,438.30 : x
  2. Step 2: Convert to fraction form
    49,209,619.10/73,814,428.65 = 45,626,438.30/x
  3. Step 3: Cross multiply
    49,209,619.10x = 73,814,428.65 × 45,626,438.30
  4. Step 4: Simplify right side
    49,209,619.10x = 3,367,889,474,448,977.50
  5. Step 5: Solve for x
    x = 3,367,889,474,448,977.50/49,209,619.10
  6. Step 6: Final answer
    x = 68,439,657.45

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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.