Home / 139,566,490.78-209,372,476.83-41,208,139.89

Finding the Fourth Proportional to 139,566,490.78, 209,372,476.83 and 41,208,139.89

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Solution

The fourth proportional to 139,566,490.78, 209,372,476.83 and 41,208,139.89 is: 61,818,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,566,490.78 : 209,372,476.83 = 41,208,139.89 : x
  2. Step 2: Convert to fraction form
    139,566,490.78/209,372,476.83 = 41,208,139.89/x
  3. Step 3: Cross multiply
    139,566,490.78x = 209,372,476.83 × 41,208,139.89
  4. Step 4: Simplify right side
    139,566,490.78x = 8,627,850,314,326,424
  5. Step 5: Solve for x
    x = 8,627,850,314,326,424/139,566,490.78
  6. Step 6: Final answer
    x = 61,818,924.20

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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.