Home / 99,463,572.30-149,215,536.45-31,290,408.30

Finding the Fourth Proportional to 99,463,572.30, 149,215,536.45 and 31,290,408.30

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Solution

The fourth proportional to 99,463,572.30, 149,215,536.45 and 31,290,408.30 is: 46,941,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,463,572.30 : 149,215,536.45 = 31,290,408.30 : x
  2. Step 2: Convert to fraction form
    99,463,572.30/149,215,536.45 = 31,290,408.30/x
  3. Step 3: Cross multiply
    99,463,572.30x = 149,215,536.45 × 31,290,408.30
  4. Step 4: Simplify right side
    99,463,572.30x = 4,669,015,060,224,032
  5. Step 5: Solve for x
    x = 4,669,015,060,224,032/99,463,572.30
  6. Step 6: Final answer
    x = 46,941,960.28

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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.