Home / 291,287,955.30-401,983,304-159,137,511.18

Finding the Fourth Proportional to 291,287,955.30, 401,983,304 and 159,137,511.18

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Solution

The fourth proportional to 291,287,955.30, 401,983,304 and 159,137,511.18 is: 219,613,002.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,287,955.30 : 401,983,304 = 159,137,511.18 : x
  2. Step 2: Convert to fraction form
    291,287,955.30/401,983,304 = 159,137,511.18/x
  3. Step 3: Cross multiply
    291,287,955.30x = 401,983,304 × 159,137,511.18
  4. Step 4: Simplify right side
    291,287,955.30x = 63,970,622,534,473,344
  5. Step 5: Solve for x
    x = 63,970,622,534,473,344/291,287,955.30
  6. Step 6: Final answer
    x = 219,613,002.77

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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.