Home / 156,314,137.28-215,572,377.12-97,582,216.64

Finding the Fourth Proportional to 156,314,137.28, 215,572,377.12 and 97,582,216.64

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Solution

The fourth proportional to 156,314,137.28, 215,572,377.12 and 97,582,216.64 is: 134,575,354.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,314,137.28 : 215,572,377.12 = 97,582,216.64 : x
  2. Step 2: Convert to fraction form
    156,314,137.28/215,572,377.12 = 97,582,216.64/x
  3. Step 3: Cross multiply
    156,314,137.28x = 215,572,377.12 × 97,582,216.64
  4. Step 4: Simplify right side
    156,314,137.28x = 21,036,030,405,723,620
  5. Step 5: Solve for x
    x = 21,036,030,405,723,620/156,314,137.28
  6. Step 6: Final answer
    x = 134,575,354.29

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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.