Home / 125,909,838,131.31-188,672,574,181.65-74,757,405,297.52

Finding the Fourth Proportional to 125,909,838,131.31, 188,672,574,181.65 and 74,757,405,297.52

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Solution

The fourth proportional to 125,909,838,131.31, 188,672,574,181.65 and 74,757,405,297.52 is: 112,022,001,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,909,838,131.31 : 188,672,574,181.65 = 74,757,405,297.52 : x
  2. Step 2: Convert to fraction form
    125,909,838,131.31/188,672,574,181.65 = 74,757,405,297.52/x
  3. Step 3: Cross multiply
    125,909,838,131.31x = 188,672,574,181.65 × 74,757,405,297.52
  4. Step 4: Simplify right side
    125,909,838,131.31x = 14,104,672,096,623,639,134,208
  5. Step 5: Solve for x
    x = 14,104,672,096,623,639,134,208/125,909,838,131.31
  6. Step 6: Final answer
    x = 112,022,001,663.72

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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.