Home / 57,672,068.60-86,508,102.90-30,340,983.80

Finding the Fourth Proportional to 57,672,068.60, 86,508,102.90 and 30,340,983.80

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Solution

The fourth proportional to 57,672,068.60, 86,508,102.90 and 30,340,983.80 is: 45,511,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672,068.60 : 86,508,102.90 = 30,340,983.80 : x
  2. Step 2: Convert to fraction form
    57,672,068.60/86,508,102.90 = 30,340,983.80/x
  3. Step 3: Cross multiply
    57,672,068.60x = 86,508,102.90 × 30,340,983.80
  4. Step 4: Simplify right side
    57,672,068.60x = 2,624,740,948,657,633.50
  5. Step 5: Solve for x
    x = 2,624,740,948,657,633.50/57,672,068.60
  6. Step 6: Final answer
    x = 45,511,475.70

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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.