Home / 81,346,291.02-112,274,175.20-48,324,884.64

Finding the Fourth Proportional to 81,346,291.02, 112,274,175.20 and 48,324,884.64

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Solution

The fourth proportional to 81,346,291.02, 112,274,175.20 and 48,324,884.64 is: 66,698,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,346,291.02 : 112,274,175.20 = 48,324,884.64 : x
  2. Step 2: Convert to fraction form
    81,346,291.02/112,274,175.20 = 48,324,884.64/x
  3. Step 3: Cross multiply
    81,346,291.02x = 112,274,175.20 × 48,324,884.64
  4. Step 4: Simplify right side
    81,346,291.02x = 5,425,636,563,928,496
  5. Step 5: Solve for x
    x = 5,425,636,563,928,496/81,346,291.02
  6. Step 6: Final answer
    x = 66,698,020.23

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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.