Home / 82,173,157.20-113,398,996.70-45,005,774.96

Finding the Fourth Proportional to 82,173,157.20, 113,398,996.70 and 45,005,774.96

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Solution

The fourth proportional to 82,173,157.20, 113,398,996.70 and 45,005,774.96 is: 62,107,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,173,157.20 : 113,398,996.70 = 45,005,774.96 : x
  2. Step 2: Convert to fraction form
    82,173,157.20/113,398,996.70 = 45,005,774.96/x
  3. Step 3: Cross multiply
    82,173,157.20x = 113,398,996.70 × 45,005,774.96
  4. Step 4: Simplify right side
    82,173,157.20x = 5,103,609,726,169,983
  5. Step 5: Solve for x
    x = 5,103,609,726,169,983/82,173,157.20
  6. Step 6: Final answer
    x = 62,107,991.22

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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.