Home / 49,163,721.60-73,775,106.90-20,406,858.60

Finding the Fourth Proportional to 49,163,721.60, 73,775,106.90 and 20,406,858.60

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Solution

The fourth proportional to 49,163,721.60, 73,775,106.90 and 20,406,858.60 is: 30,622,542.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,163,721.60 : 73,775,106.90 = 20,406,858.60 : x
  2. Step 2: Convert to fraction form
    49,163,721.60/73,775,106.90 = 20,406,858.60/x
  3. Step 3: Cross multiply
    49,163,721.60x = 73,775,106.90 × 20,406,858.60
  4. Step 4: Simplify right side
    49,163,721.60x = 1,505,518,174,708,184.50
  5. Step 5: Solve for x
    x = 1,505,518,174,708,184.50/49,163,721.60
  6. Step 6: Final answer
    x = 30,622,542.92

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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.