Home / 103,450,058.52-155,169,463.14-31,646,474.52

Finding the Fourth Proportional to 103,450,058.52, 155,169,463.14 and 31,646,474.52

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Solution

The fourth proportional to 103,450,058.52, 155,169,463.14 and 31,646,474.52 is: 47,467,991.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,450,058.52 : 155,169,463.14 = 31,646,474.52 : x
  2. Step 2: Convert to fraction form
    103,450,058.52/155,169,463.14 = 31,646,474.52/x
  3. Step 3: Cross multiply
    103,450,058.52x = 155,169,463.14 × 31,646,474.52
  4. Step 4: Simplify right side
    103,450,058.52x = 4,910,566,461,542,089
  5. Step 5: Solve for x
    x = 4,910,566,461,542,089/103,450,058.52
  6. Step 6: Final answer
    x = 47,467,991.14

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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.