Home / 71,771,461.90-107,651,985.30-28,043,998.27

Finding the Fourth Proportional to 71,771,461.90, 107,651,985.30 and 28,043,998.27

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Solution

The fourth proportional to 71,771,461.90, 107,651,985.30 and 28,043,998.27 is: 42,063,962.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,771,461.90 : 107,651,985.30 = 28,043,998.27 : x
  2. Step 2: Convert to fraction form
    71,771,461.90/107,651,985.30 = 28,043,998.27/x
  3. Step 3: Cross multiply
    71,771,461.90x = 107,651,985.30 × 28,043,998.27
  4. Step 4: Simplify right side
    71,771,461.90x = 3,018,992,089,515,265.50
  5. Step 5: Solve for x
    x = 3,018,992,089,515,265.50/71,771,461.90
  6. Step 6: Final answer
    x = 42,063,962.61

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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.