Home / 263,712,036.80-395,736,016.80-154,536,996.80

Finding the Fourth Proportional to 263,712,036.80, 395,736,016.80 and 154,536,996.80

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Solution

The fourth proportional to 263,712,036.80, 395,736,016.80 and 154,536,996.80 is: 231,903,921.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,712,036.80 : 395,736,016.80 = 154,536,996.80 : x
  2. Step 2: Convert to fraction form
    263,712,036.80/395,736,016.80 = 154,536,996.80/x
  3. Step 3: Cross multiply
    263,712,036.80x = 395,736,016.80 × 154,536,996.80
  4. Step 4: Simplify right side
    263,712,036.80x = 61,155,855,561,866,352
  5. Step 5: Solve for x
    x = 61,155,855,561,866,352/263,712,036.80
  6. Step 6: Final answer
    x = 231,903,921.81

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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.