Home / 55,154,433.60-82,731,650.40-18,803,869.20

Finding the Fourth Proportional to 55,154,433.60, 82,731,650.40 and 18,803,869.20

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Solution

The fourth proportional to 55,154,433.60, 82,731,650.40 and 18,803,869.20 is: 28,205,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,154,433.60 : 82,731,650.40 = 18,803,869.20 : x
  2. Step 2: Convert to fraction form
    55,154,433.60/82,731,650.40 = 18,803,869.20/x
  3. Step 3: Cross multiply
    55,154,433.60x = 82,731,650.40 × 18,803,869.20
  4. Step 4: Simplify right side
    55,154,433.60x = 1,555,675,132,821,727.75
  5. Step 5: Solve for x
    x = 1,555,675,132,821,727.75/55,154,433.60
  6. Step 6: Final answer
    x = 28,205,803.80

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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.