Home / 288,293,001.42-397,842,370.26-156,130,958.46

Finding the Fourth Proportional to 288,293,001.42, 397,842,370.26 and 156,130,958.46

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Solution

The fourth proportional to 288,293,001.42, 397,842,370.26 and 156,130,958.46 is: 215,459,654.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,293,001.42 : 397,842,370.26 = 156,130,958.46 : x
  2. Step 2: Convert to fraction form
    288,293,001.42/397,842,370.26 = 156,130,958.46/x
  3. Step 3: Cross multiply
    288,293,001.42x = 397,842,370.26 × 156,130,958.46
  4. Step 4: Simplify right side
    288,293,001.42x = 62,115,510,584,692,000
  5. Step 5: Solve for x
    x = 62,115,510,584,692,000/288,293,001.42
  6. Step 6: Final answer
    x = 215,459,654.86

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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.