Home / 139,552,761.56-209,360,641.05-46,179,494.55

Finding the Fourth Proportional to 139,552,761.56, 209,360,641.05 and 46,179,494.55

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Solution

The fourth proportional to 139,552,761.56, 209,360,641.05 and 46,179,494.55 is: 69,279,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,552,761.56 : 209,360,641.05 = 46,179,494.55 : x
  2. Step 2: Convert to fraction form
    139,552,761.56/209,360,641.05 = 46,179,494.55/x
  3. Step 3: Cross multiply
    139,552,761.56x = 209,360,641.05 × 46,179,494.55
  4. Step 4: Simplify right side
    139,552,761.56x = 9,668,168,582,352,982
  5. Step 5: Solve for x
    x = 9,668,168,582,352,982/139,552,761.56
  6. Step 6: Final answer
    x = 69,279,665.09

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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.