Home / 125,909,838,129.29-188,672,574,178.61-74,757,405,295.50

Finding the Fourth Proportional to 125,909,838,129.29, 188,672,574,178.61 and 74,757,405,295.50

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Solution

The fourth proportional to 125,909,838,129.29, 188,672,574,178.61 and 74,757,405,295.50 is: 112,022,001,660.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,909,838,129.29 : 188,672,574,178.61 = 74,757,405,295.50 : x
  2. Step 2: Convert to fraction form
    125,909,838,129.29/188,672,574,178.61 = 74,757,405,295.50/x
  3. Step 3: Cross multiply
    125,909,838,129.29x = 188,672,574,178.61 × 74,757,405,295.50
  4. Step 4: Simplify right side
    125,909,838,129.29x = 14,104,672,096,014,691,205,120
  5. Step 5: Solve for x
    x = 14,104,672,096,014,691,205,120/125,909,838,129.29
  6. Step 6: Final answer
    x = 112,022,001,660.68

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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.