Home / 56,170,000.60-84,255,000.90-39,149,891.80

Finding the Fourth Proportional to 56,170,000.60, 84,255,000.90 and 39,149,891.80

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Solution

The fourth proportional to 56,170,000.60, 84,255,000.90 and 39,149,891.80 is: 58,724,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,170,000.60 : 84,255,000.90 = 39,149,891.80 : x
  2. Step 2: Convert to fraction form
    56,170,000.60/84,255,000.90 = 39,149,891.80/x
  3. Step 3: Cross multiply
    56,170,000.60x = 84,255,000.90 × 39,149,891.80
  4. Step 4: Simplify right side
    56,170,000.60x = 3,298,574,168,843,902.50
  5. Step 5: Solve for x
    x = 3,298,574,168,843,902.50/56,170,000.60
  6. Step 6: Final answer
    x = 58,724,837.70

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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.