Home / 141,937,930.65-195,866,170.96-79,209,109.02

Finding the Fourth Proportional to 141,937,930.65, 195,866,170.96 and 79,209,109.02

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Solution

The fourth proportional to 141,937,930.65, 195,866,170.96 and 79,209,109.02 is: 109,304,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,937,930.65 : 195,866,170.96 = 79,209,109.02 : x
  2. Step 2: Convert to fraction form
    141,937,930.65/195,866,170.96 = 79,209,109.02/x
  3. Step 3: Cross multiply
    141,937,930.65x = 195,866,170.96 × 79,209,109.02
  4. Step 4: Simplify right side
    141,937,930.65x = 15,514,384,888,900,598
  5. Step 5: Solve for x
    x = 15,514,384,888,900,598/141,937,930.65
  6. Step 6: Final answer
    x = 109,304,009.28

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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.