Home / 156,314,135.28-215,572,374.36-97,582,214.64

Finding the Fourth Proportional to 156,314,135.28, 215,572,374.36 and 97,582,214.64

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Solution

The fourth proportional to 156,314,135.28, 215,572,374.36 and 97,582,214.64 is: 134,575,351.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,314,135.28 : 215,572,374.36 = 97,582,214.64 : x
  2. Step 2: Convert to fraction form
    156,314,135.28/215,572,374.36 = 97,582,214.64/x
  3. Step 3: Cross multiply
    156,314,135.28x = 215,572,374.36 × 97,582,214.64
  4. Step 4: Simplify right side
    156,314,135.28x = 21,036,029,705,251,956
  5. Step 5: Solve for x
    x = 21,036,029,705,251,956/156,314,135.28
  6. Step 6: Final answer
    x = 134,575,351.54

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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.