Home / 157,598,676.56-217,489,615.16-87,034,143

Finding the Fourth Proportional to 157,598,676.56, 217,489,615.16 and 87,034,143

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Solution

The fourth proportional to 157,598,676.56, 217,489,615.16 and 87,034,143 is: 120,109,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,598,676.56 : 217,489,615.16 = 87,034,143 : x
  2. Step 2: Convert to fraction form
    157,598,676.56/217,489,615.16 = 87,034,143/x
  3. Step 3: Cross multiply
    157,598,676.56x = 217,489,615.16 × 87,034,143
  4. Step 4: Simplify right side
    157,598,676.56x = 18,929,022,266,850,408
  5. Step 5: Solve for x
    x = 18,929,022,266,850,408/157,598,676.56
  6. Step 6: Final answer
    x = 120,109,017.92

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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.