Home / 140,505,276.18-193,899,566.63-76,924,546.83

Finding the Fourth Proportional to 140,505,276.18, 193,899,566.63 and 76,924,546.83

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Solution

The fourth proportional to 140,505,276.18, 193,899,566.63 and 76,924,546.83 is: 106,157,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,505,276.18 : 193,899,566.63 = 76,924,546.83 : x
  2. Step 2: Convert to fraction form
    140,505,276.18/193,899,566.63 = 76,924,546.83/x
  3. Step 3: Cross multiply
    140,505,276.18x = 193,899,566.63 × 76,924,546.83
  4. Step 4: Simplify right side
    140,505,276.18x = 14,915,636,293,546,140
  5. Step 5: Solve for x
    x = 14,915,636,293,546,140/140,505,276.18
  6. Step 6: Final answer
    x = 106,157,125.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.