Home / 130,982,774.88-196,431,648.12-43,520,803.32

Finding the Fourth Proportional to 130,982,774.88, 196,431,648.12 and 43,520,803.32

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Solution

The fourth proportional to 130,982,774.88, 196,431,648.12 and 43,520,803.32 is: 65,267,079.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,982,774.88 : 196,431,648.12 = 43,520,803.32 : x
  2. Step 2: Convert to fraction form
    130,982,774.88/196,431,648.12 = 43,520,803.32/x
  3. Step 3: Cross multiply
    130,982,774.88x = 196,431,648.12 × 43,520,803.32
  4. Step 4: Simplify right side
    130,982,774.88x = 8,548,863,123,653,968
  5. Step 5: Solve for x
    x = 8,548,863,123,653,968/130,982,774.88
  6. Step 6: Final answer
    x = 65,267,079.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.