Home / 209,668,139.04-314,518,131-71,450,788.80

Finding the Fourth Proportional to 209,668,139.04, 314,518,131 and 71,450,788.80

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Solution

The fourth proportional to 209,668,139.04, 314,518,131 and 71,450,788.80 is: 107,181,609.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,668,139.04 : 314,518,131 = 71,450,788.80 : x
  2. Step 2: Convert to fraction form
    209,668,139.04/314,518,131 = 71,450,788.80/x
  3. Step 3: Cross multiply
    209,668,139.04x = 314,518,131 × 71,450,788.80
  4. Step 4: Simplify right side
    209,668,139.04x = 22,472,568,551,851,732
  5. Step 5: Solve for x
    x = 22,472,568,551,851,732/209,668,139.04
  6. Step 6: Final answer
    x = 107,181,609.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.