Home / 172,393,653-237,908,294.40-94,082,241.72

Finding the Fourth Proportional to 172,393,653, 237,908,294.40 and 94,082,241.72

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Solution

The fourth proportional to 172,393,653, 237,908,294.40 and 94,082,241.72 is: 129,836,251.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,393,653 : 237,908,294.40 = 94,082,241.72 : x
  2. Step 2: Convert to fraction form
    172,393,653/237,908,294.40 = 94,082,241.72/x
  3. Step 3: Cross multiply
    172,393,653x = 237,908,294.40 × 94,082,241.72
  4. Step 4: Simplify right side
    172,393,653x = 22,382,945,660,933,724
  5. Step 5: Solve for x
    x = 22,382,945,660,933,724/172,393,653
  6. Step 6: Final answer
    x = 129,836,251.34

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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.