Home / 141,813,877.76-195,718,198.40-83,125,851.56

Finding the Fourth Proportional to 141,813,877.76, 195,718,198.40 and 83,125,851.56

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Solution

The fourth proportional to 141,813,877.76, 195,718,198.40 and 83,125,851.56 is: 114,722,495.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,813,877.76 : 195,718,198.40 = 83,125,851.56 : x
  2. Step 2: Convert to fraction form
    141,813,877.76/195,718,198.40 = 83,125,851.56/x
  3. Step 3: Cross multiply
    141,813,877.76x = 195,718,198.40 × 83,125,851.56
  4. Step 4: Simplify right side
    141,813,877.76x = 16,269,241,907,789,030
  5. Step 5: Solve for x
    x = 16,269,241,907,789,030/141,813,877.76
  6. Step 6: Final answer
    x = 114,722,495.18

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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.