Home / 141,160,701.81-194,816,947.56-85,436,788.41

Finding the Fourth Proportional to 141,160,701.81, 194,816,947.56 and 85,436,788.41

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Solution

The fourth proportional to 141,160,701.81, 194,816,947.56 and 85,436,788.41 is: 117,911,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,160,701.81 : 194,816,947.56 = 85,436,788.41 : x
  2. Step 2: Convert to fraction form
    141,160,701.81/194,816,947.56 = 85,436,788.41/x
  3. Step 3: Cross multiply
    141,160,701.81x = 194,816,947.56 × 85,436,788.41
  4. Step 4: Simplify right side
    141,160,701.81x = 16,644,534,327,365,786
  5. Step 5: Solve for x
    x = 16,644,534,327,365,786/141,160,701.81
  6. Step 6: Final answer
    x = 117,911,955.06

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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.