Home / 126,048,639.90-188,860,383.45-104,365,847.10

Finding the Fourth Proportional to 126,048,639.90, 188,860,383.45 and 104,365,847.10

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Solution

The fourth proportional to 126,048,639.90, 188,860,383.45 and 104,365,847.10 is: 156,372,761.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,048,639.90 : 188,860,383.45 = 104,365,847.10 : x
  2. Step 2: Convert to fraction form
    126,048,639.90/188,860,383.45 = 104,365,847.10/x
  3. Step 3: Cross multiply
    126,048,639.90x = 188,860,383.45 × 104,365,847.10
  4. Step 4: Simplify right side
    126,048,639.90x = 19,710,573,902,390,068
  5. Step 5: Solve for x
    x = 19,710,573,902,390,068/126,048,639.90
  6. Step 6: Final answer
    x = 156,372,761.48

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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.