Home / 139,008,950.61-207,285,266.06-137,761,268.28

Finding the Fourth Proportional to 139,008,950.61, 207,285,266.06 and 137,761,268.28

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Solution

The fourth proportional to 139,008,950.61, 207,285,266.06 and 137,761,268.28 is: 205,424,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,008,950.61 : 207,285,266.06 = 137,761,268.28 : x
  2. Step 2: Convert to fraction form
    139,008,950.61/207,285,266.06 = 137,761,268.28/x
  3. Step 3: Cross multiply
    139,008,950.61x = 207,285,266.06 × 137,761,268.28
  4. Step 4: Simplify right side
    139,008,950.61x = 28,555,881,147,494,032
  5. Step 5: Solve for x
    x = 28,555,881,147,494,032/139,008,950.61
  6. Step 6: Final answer
    x = 205,424,765.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.