Home / 234,279,259.64-323,304,820.44-128,432,486.96

Finding the Fourth Proportional to 234,279,259.64, 323,304,820.44 and 128,432,486.96

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Solution

The fourth proportional to 234,279,259.64, 323,304,820.44 and 128,432,486.96 is: 177,236,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,279,259.64 : 323,304,820.44 = 128,432,486.96 : x
  2. Step 2: Convert to fraction form
    234,279,259.64/323,304,820.44 = 128,432,486.96/x
  3. Step 3: Cross multiply
    234,279,259.64x = 323,304,820.44 × 128,432,486.96
  4. Step 4: Simplify right side
    234,279,259.64x = 41,522,842,135,265,440
  5. Step 5: Solve for x
    x = 41,522,842,135,265,440/234,279,259.64
  6. Step 6: Final answer
    x = 177,236,526.18

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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.