Home / 255,709,612.80-352,857,928.32-144,194,204.16

Finding the Fourth Proportional to 255,709,612.80, 352,857,928.32 and 144,194,204.16

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Solution

The fourth proportional to 255,709,612.80, 352,857,928.32 and 144,194,204.16 is: 198,975,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,709,612.80 : 352,857,928.32 = 144,194,204.16 : x
  2. Step 2: Convert to fraction form
    255,709,612.80/352,857,928.32 = 144,194,204.16/x
  3. Step 3: Cross multiply
    255,709,612.80x = 352,857,928.32 × 144,194,204.16
  4. Step 4: Simplify right side
    255,709,612.80x = 50,880,068,155,648,720
  5. Step 5: Solve for x
    x = 50,880,068,155,648,720/255,709,612.80
  6. Step 6: Final answer
    x = 198,975,969.65

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1.5x scale

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.