Home / 209,955,895.20-314,933,842.80-117,744,976.80

Finding the Fourth Proportional to 209,955,895.20, 314,933,842.80 and 117,744,976.80

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Solution

The fourth proportional to 209,955,895.20, 314,933,842.80 and 117,744,976.80 is: 176,617,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,955,895.20 : 314,933,842.80 = 117,744,976.80 : x
  2. Step 2: Convert to fraction form
    209,955,895.20/314,933,842.80 = 117,744,976.80/x
  3. Step 3: Cross multiply
    209,955,895.20x = 314,933,842.80 × 117,744,976.80
  4. Step 4: Simplify right side
    209,955,895.20x = 37,081,878,014,020,848
  5. Step 5: Solve for x
    x = 37,081,878,014,020,848/209,955,895.20
  6. Step 6: Final answer
    x = 176,617,465.20

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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.