Home / 141,937,926.90-195,866,165.79-79,209,105.27

Finding the Fourth Proportional to 141,937,926.90, 195,866,165.79 and 79,209,105.27

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Solution

The fourth proportional to 141,937,926.90, 195,866,165.79 and 79,209,105.27 is: 109,304,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,937,926.90 : 195,866,165.79 = 79,209,105.27 : x
  2. Step 2: Convert to fraction form
    141,937,926.90/195,866,165.79 = 79,209,105.27/x
  3. Step 3: Cross multiply
    141,937,926.90x = 195,866,165.79 × 79,209,105.27
  4. Step 4: Simplify right side
    141,937,926.90x = 15,514,383,744,891,382
  5. Step 5: Solve for x
    x = 15,514,383,744,891,382/141,937,926.90
  6. Step 6: Final answer
    x = 109,304,004.11

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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.