Home / 239,507,597.70-330,518,559.65-139,045,356.72

Finding the Fourth Proportional to 239,507,597.70, 330,518,559.65 and 139,045,356.72

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Solution

The fourth proportional to 239,507,597.70, 330,518,559.65 and 139,045,356.72 is: 191,881,474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,507,597.70 : 330,518,559.65 = 139,045,356.72 : x
  2. Step 2: Convert to fraction form
    239,507,597.70/330,518,559.65 = 139,045,356.72/x
  3. Step 3: Cross multiply
    239,507,597.70x = 330,518,559.65 × 139,045,356.72
  4. Step 4: Simplify right side
    239,507,597.70x = 45,957,071,028,419,616
  5. Step 5: Solve for x
    x = 45,957,071,028,419,616/239,507,597.70
  6. Step 6: Final answer
    x = 191,881,474.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.