Home / 213,077,344.80-319,616,017.20-144,202,591.20

Finding the Fourth Proportional to 213,077,344.80, 319,616,017.20 and 144,202,591.20

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Solution

The fourth proportional to 213,077,344.80, 319,616,017.20 and 144,202,591.20 is: 216,303,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,077,344.80 : 319,616,017.20 = 144,202,591.20 : x
  2. Step 2: Convert to fraction form
    213,077,344.80/319,616,017.20 = 144,202,591.20/x
  3. Step 3: Cross multiply
    213,077,344.80x = 319,616,017.20 × 144,202,591.20
  4. Step 4: Simplify right side
    213,077,344.80x = 46,089,457,869,263,760
  5. Step 5: Solve for x
    x = 46,089,457,869,263,760/213,077,344.80
  6. Step 6: Final answer
    x = 216,303,886.80

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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.