Home / 258,169,368.24-356,263,340.31-140,692,191.93

Finding the Fourth Proportional to 258,169,368.24, 356,263,340.31 and 140,692,191.93

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Solution

The fourth proportional to 258,169,368.24, 356,263,340.31 and 140,692,191.93 is: 194,149,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,169,368.24 : 356,263,340.31 = 140,692,191.93 : x
  2. Step 2: Convert to fraction form
    258,169,368.24/356,263,340.31 = 140,692,191.93/x
  3. Step 3: Cross multiply
    258,169,368.24x = 356,263,340.31 × 140,692,191.93
  4. Step 4: Simplify right side
    258,169,368.24x = 50,123,470,252,517,432
  5. Step 5: Solve for x
    x = 50,123,470,252,517,432/258,169,368.24
  6. Step 6: Final answer
    x = 194,149,563.89

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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.