Home / 54,996,575.40-82,494,863.10-20,913,492.60

Finding the Fourth Proportional to 54,996,575.40, 82,494,863.10 and 20,913,492.60

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Solution

The fourth proportional to 54,996,575.40, 82,494,863.10 and 20,913,492.60 is: 31,370,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,996,575.40 : 82,494,863.10 = 20,913,492.60 : x
  2. Step 2: Convert to fraction form
    54,996,575.40/82,494,863.10 = 20,913,492.60/x
  3. Step 3: Cross multiply
    54,996,575.40x = 82,494,863.10 × 20,913,492.60
  4. Step 4: Simplify right side
    54,996,575.40x = 1,725,255,708,979,863
  5. Step 5: Solve for x
    x = 1,725,255,708,979,863/54,996,575.40
  6. Step 6: Final answer
    x = 31,370,238.90

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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.