Home / 168,137,421.64-232,029,537.06-90,875,085.64

Finding the Fourth Proportional to 168,137,421.64, 232,029,537.06 and 90,875,085.64

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Solution

The fourth proportional to 168,137,421.64, 232,029,537.06 and 90,875,085.64 is: 125,407,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,137,421.64 : 232,029,537.06 = 90,875,085.64 : x
  2. Step 2: Convert to fraction form
    168,137,421.64/232,029,537.06 = 90,875,085.64/x
  3. Step 3: Cross multiply
    168,137,421.64x = 232,029,537.06 × 90,875,085.64
  4. Step 4: Simplify right side
    168,137,421.64x = 21,085,704,051,337,056
  5. Step 5: Solve for x
    x = 21,085,704,051,337,056/168,137,421.64
  6. Step 6: Final answer
    x = 125,407,561.54

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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.