Home / 269,511,688.50-371,927,250.72-145,752,365.61

Finding the Fourth Proportional to 269,511,688.50, 371,927,250.72 and 145,752,365.61

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Solution

The fourth proportional to 269,511,688.50, 371,927,250.72 and 145,752,365.61 is: 201,138,870.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,511,688.50 : 371,927,250.72 = 145,752,365.61 : x
  2. Step 2: Convert to fraction form
    269,511,688.50/371,927,250.72 = 145,752,365.61/x
  3. Step 3: Cross multiply
    269,511,688.50x = 371,927,250.72 × 145,752,365.61
  4. Step 4: Simplify right side
    269,511,688.50x = 54,209,276,627,263,584
  5. Step 5: Solve for x
    x = 54,209,276,627,263,584/269,511,688.50
  6. Step 6: Final answer
    x = 201,138,870.56

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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.