Home / 78,003,690.90-117,005,536.35-37,692,906.90

Finding the Fourth Proportional to 78,003,690.90, 117,005,536.35 and 37,692,906.90

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Solution

The fourth proportional to 78,003,690.90, 117,005,536.35 and 37,692,906.90 is: 56,539,360.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,003,690.90 : 117,005,536.35 = 37,692,906.90 : x
  2. Step 2: Convert to fraction form
    78,003,690.90/117,005,536.35 = 37,692,906.90/x
  3. Step 3: Cross multiply
    78,003,690.90x = 117,005,536.35 × 37,692,906.90
  4. Step 4: Simplify right side
    78,003,690.90x = 4,410,278,788,425,115.50
  5. Step 5: Solve for x
    x = 4,410,278,788,425,115.50/78,003,690.90
  6. Step 6: Final answer
    x = 56,539,360.35

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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.