Home / 195,515,123.70-293,440,647.15-86,508,045.30

Finding the Fourth Proportional to 195,515,123.70, 293,440,647.15 and 86,508,045.30

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Solution

The fourth proportional to 195,515,123.70, 293,440,647.15 and 86,508,045.30 is: 129,836,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,515,123.70 : 293,440,647.15 = 86,508,045.30 : x
  2. Step 2: Convert to fraction form
    195,515,123.70/293,440,647.15 = 86,508,045.30/x
  3. Step 3: Cross multiply
    195,515,123.70x = 293,440,647.15 × 86,508,045.30
  4. Step 4: Simplify right side
    195,515,123.70x = 25,384,976,796,513,512
  5. Step 5: Solve for x
    x = 25,384,976,796,513,512/195,515,123.70
  6. Step 6: Final answer
    x = 129,836,384.60

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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.