Home / 129,473,959.40-194,285,588.70-48,752,858.60

Finding the Fourth Proportional to 129,473,959.40, 194,285,588.70 and 48,752,858.60

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Solution

The fourth proportional to 129,473,959.40, 194,285,588.70 and 48,752,858.60 is: 73,157,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,473,959.40 : 194,285,588.70 = 48,752,858.60 : x
  2. Step 2: Convert to fraction form
    129,473,959.40/194,285,588.70 = 48,752,858.60/x
  3. Step 3: Cross multiply
    129,473,959.40x = 194,285,588.70 × 48,752,858.60
  4. Step 4: Simplify right side
    129,473,959.40x = 9,471,977,833,908,858
  5. Step 5: Solve for x
    x = 9,471,977,833,908,858/129,473,959.40
  6. Step 6: Final answer
    x = 73,157,396.88

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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.