Home / 55,118,620.60-82,677,930.90-18,768,056.20

Finding the Fourth Proportional to 55,118,620.60, 82,677,930.90 and 18,768,056.20

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Solution

The fourth proportional to 55,118,620.60, 82,677,930.90 and 18,768,056.20 is: 28,152,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,118,620.60 : 82,677,930.90 = 18,768,056.20 : x
  2. Step 2: Convert to fraction form
    55,118,620.60/82,677,930.90 = 18,768,056.20/x
  3. Step 3: Cross multiply
    55,118,620.60x = 82,677,930.90 × 18,768,056.20
  4. Step 4: Simplify right side
    55,118,620.60x = 1,551,704,053,630,916.75
  5. Step 5: Solve for x
    x = 1,551,704,053,630,916.75/55,118,620.60
  6. Step 6: Final answer
    x = 28,152,084.30

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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.