Home / 99,890,329-149,835,551.82-28,086,745

Finding the Fourth Proportional to 99,890,329, 149,835,551.82 and 28,086,745

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Solution

The fourth proportional to 99,890,329, 149,835,551.82 and 28,086,745 is: 42,130,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,890,329 : 149,835,551.82 = 28,086,745 : x
  2. Step 2: Convert to fraction form
    99,890,329/149,835,551.82 = 28,086,745/x
  3. Step 3: Cross multiply
    99,890,329x = 149,835,551.82 × 28,086,745
  4. Step 4: Simplify right side
    99,890,329x = 4,208,392,935,902,625.50
  5. Step 5: Solve for x
    x = 4,208,392,935,902,625.50/99,890,329
  6. Step 6: Final answer
    x = 42,130,133.90

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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.