Home / 124,139,722.42-171,318,132.03-69,135,578.92

Finding the Fourth Proportional to 124,139,722.42, 171,318,132.03 and 69,135,578.92

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Solution

The fourth proportional to 124,139,722.42, 171,318,132.03 and 69,135,578.92 is: 95,410,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,139,722.42 : 171,318,132.03 = 69,135,578.92 : x
  2. Step 2: Convert to fraction form
    124,139,722.42/171,318,132.03 = 69,135,578.92/x
  3. Step 3: Cross multiply
    124,139,722.42x = 171,318,132.03 × 69,135,578.92
  4. Step 4: Simplify right side
    124,139,722.42x = 11,844,178,237,387,046
  5. Step 5: Solve for x
    x = 11,844,178,237,387,046/124,139,722.42
  6. Step 6: Final answer
    x = 95,410,058.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.