Home / 123,564,117.87-185,340,186.81-45,856,171.05

Finding the Fourth Proportional to 123,564,117.87, 185,340,186.81 and 45,856,171.05

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Solution

The fourth proportional to 123,564,117.87, 185,340,186.81 and 45,856,171.05 is: 68,782,033.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,564,117.87 : 185,340,186.81 = 45,856,171.05 : x
  2. Step 2: Convert to fraction form
    123,564,117.87/185,340,186.81 = 45,856,171.05/x
  3. Step 3: Cross multiply
    123,564,117.87x = 185,340,186.81 × 45,856,171.05
  4. Step 4: Simplify right side
    123,564,117.87x = 8,498,991,308,798,313
  5. Step 5: Solve for x
    x = 8,498,991,308,798,313/123,564,117.87
  6. Step 6: Final answer
    x = 68,782,033.61

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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.