Home / 276,584,633.40-414,876,950.10-138,835,126.20

Finding the Fourth Proportional to 276,584,633.40, 414,876,950.10 and 138,835,126.20

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Solution

The fourth proportional to 276,584,633.40, 414,876,950.10 and 138,835,126.20 is: 208,252,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,584,633.40 : 414,876,950.10 = 138,835,126.20 : x
  2. Step 2: Convert to fraction form
    276,584,633.40/414,876,950.10 = 138,835,126.20/x
  3. Step 3: Cross multiply
    276,584,633.40x = 414,876,950.10 × 138,835,126.20
  4. Step 4: Simplify right side
    276,584,633.40x = 57,599,493,724,604,600
  5. Step 5: Solve for x
    x = 57,599,493,724,604,600/276,584,633.40
  6. Step 6: Final answer
    x = 208,252,689.30

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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.