Home / 213,077,204.80-319,615,807.20-144,202,451.20

Finding the Fourth Proportional to 213,077,204.80, 319,615,807.20 and 144,202,451.20

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Solution

The fourth proportional to 213,077,204.80, 319,615,807.20 and 144,202,451.20 is: 216,303,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,077,204.80 : 319,615,807.20 = 144,202,451.20 : x
  2. Step 2: Convert to fraction form
    213,077,204.80/319,615,807.20 = 144,202,451.20/x
  3. Step 3: Cross multiply
    213,077,204.80x = 319,615,807.20 × 144,202,451.20
  4. Step 4: Simplify right side
    213,077,204.80x = 46,089,382,840,506,600
  5. Step 5: Solve for x
    x = 46,089,382,840,506,600/213,077,204.80
  6. Step 6: Final answer
    x = 216,303,676.80

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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.