Home / 211,383,549.12-316,999,252.80-73,171,603.20

Finding the Fourth Proportional to 211,383,549.12, 316,999,252.80 and 73,171,603.20

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Solution

The fourth proportional to 211,383,549.12, 316,999,252.80 and 73,171,603.20 is: 109,731,072.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,383,549.12 : 316,999,252.80 = 73,171,603.20 : x
  2. Step 2: Convert to fraction form
    211,383,549.12/316,999,252.80 = 73,171,603.20/x
  3. Step 3: Cross multiply
    211,383,549.12x = 316,999,252.80 × 73,171,603.20
  4. Step 4: Simplify right side
    211,383,549.12x = 23,195,343,540,578,092
  5. Step 5: Solve for x
    x = 23,195,343,540,578,092/211,383,549.12
  6. Step 6: Final answer
    x = 109,731,072.44

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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.