Home / 232,436,799.72-320,777,290.67-128,014,844.58

Finding the Fourth Proportional to 232,436,799.72, 320,777,290.67 and 128,014,844.58

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Solution

The fourth proportional to 232,436,799.72, 320,777,290.67 and 128,014,844.58 is: 176,668,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,436,799.72 : 320,777,290.67 = 128,014,844.58 : x
  2. Step 2: Convert to fraction form
    232,436,799.72/320,777,290.67 = 128,014,844.58/x
  3. Step 3: Cross multiply
    232,436,799.72x = 320,777,290.67 × 128,014,844.58
  4. Step 4: Simplify right side
    232,436,799.72x = 41,064,255,009,273,464
  5. Step 5: Solve for x
    x = 41,064,255,009,273,464/232,436,799.72
  6. Step 6: Final answer
    x = 176,668,475.30

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1.5x scale

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.