Home / 125,909,838,132.56-188,672,574,183.54-74,757,405,298.77

Finding the Fourth Proportional to 125,909,838,132.56, 188,672,574,183.54 and 74,757,405,298.77

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Solution

The fourth proportional to 125,909,838,132.56, 188,672,574,183.54 and 74,757,405,298.77 is: 112,022,001,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,909,838,132.56 : 188,672,574,183.54 = 74,757,405,298.77 : x
  2. Step 2: Convert to fraction form
    125,909,838,132.56/188,672,574,183.54 = 74,757,405,298.77/x
  3. Step 3: Cross multiply
    125,909,838,132.56x = 188,672,574,183.54 × 74,757,405,298.77
  4. Step 4: Simplify right side
    125,909,838,132.56x = 14,104,672,097,001,149,562,880
  5. Step 5: Solve for x
    x = 14,104,672,097,001,149,562,880/125,909,838,132.56
  6. Step 6: Final answer
    x = 112,022,001,665.60

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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.