Home / 141,160,698.79-194,816,943.38-85,436,785.37

Finding the Fourth Proportional to 141,160,698.79, 194,816,943.38 and 85,436,785.37

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Solution

The fourth proportional to 141,160,698.79, 194,816,943.38 and 85,436,785.37 is: 117,911,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,160,698.79 : 194,816,943.38 = 85,436,785.37 : x
  2. Step 2: Convert to fraction form
    141,160,698.79/194,816,943.38 = 85,436,785.37/x
  3. Step 3: Cross multiply
    141,160,698.79x = 194,816,943.38 × 85,436,785.37
  4. Step 4: Simplify right side
    141,160,698.79x = 16,644,533,378,697,136
  5. Step 5: Solve for x
    x = 16,644,533,378,697,136/141,160,698.79
  6. Step 6: Final answer
    x = 117,911,950.86

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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.