Home / 132,860,808.90-199,291,213.35-91,248,978.60

Finding the Fourth Proportional to 132,860,808.90, 199,291,213.35 and 91,248,978.60

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Solution

The fourth proportional to 132,860,808.90, 199,291,213.35 and 91,248,978.60 is: 136,873,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,808.90 : 199,291,213.35 = 91,248,978.60 : x
  2. Step 2: Convert to fraction form
    132,860,808.90/199,291,213.35 = 91,248,978.60/x
  3. Step 3: Cross multiply
    132,860,808.90x = 199,291,213.35 × 91,248,978.60
  4. Step 4: Simplify right side
    132,860,808.90x = 18,185,119,662,142,184
  5. Step 5: Solve for x
    x = 18,185,119,662,142,184/132,860,808.90
  6. Step 6: Final answer
    x = 136,873,467.90

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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.