Home / 240,765,538.80-332,284,807.80-142,980,394.80

Finding the Fourth Proportional to 240,765,538.80, 332,284,807.80 and 142,980,394.80

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Solution

The fourth proportional to 240,765,538.80, 332,284,807.80 and 142,980,394.80 is: 197,329,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,765,538.80 : 332,284,807.80 = 142,980,394.80 : x
  2. Step 2: Convert to fraction form
    240,765,538.80/332,284,807.80 = 142,980,394.80/x
  3. Step 3: Cross multiply
    240,765,538.80x = 332,284,807.80 × 142,980,394.80
  4. Step 4: Simplify right side
    240,765,538.80x = 47,510,213,005,286,128
  5. Step 5: Solve for x
    x = 47,510,213,005,286,128/240,765,538.80
  6. Step 6: Final answer
    x = 197,329,789.15

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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.