Home / 143,464,845.20-214,878,403.20-124,332,969.20

Finding the Fourth Proportional to 143,464,845.20, 214,878,403.20 and 124,332,969.20

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Solution

The fourth proportional to 143,464,845.20, 214,878,403.20 and 124,332,969.20 is: 186,223,111.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,464,845.20 : 214,878,403.20 = 124,332,969.20 : x
  2. Step 2: Convert to fraction form
    143,464,845.20/214,878,403.20 = 124,332,969.20/x
  3. Step 3: Cross multiply
    143,464,845.20x = 214,878,403.20 × 124,332,969.20
  4. Step 4: Simplify right side
    143,464,845.20x = 26,716,469,886,810,780
  5. Step 5: Solve for x
    x = 26,716,469,886,810,780/143,464,845.20
  6. Step 6: Final answer
    x = 186,223,111.66

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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.