Home / 153,232,007.20-229,848,010.80-122,998,919.20

Finding the Fourth Proportional to 153,232,007.20, 229,848,010.80 and 122,998,919.20

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Solution

The fourth proportional to 153,232,007.20, 229,848,010.80 and 122,998,919.20 is: 184,498,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,232,007.20 : 229,848,010.80 = 122,998,919.20 : x
  2. Step 2: Convert to fraction form
    153,232,007.20/229,848,010.80 = 122,998,919.20/x
  3. Step 3: Cross multiply
    153,232,007.20x = 229,848,010.80 × 122,998,919.20
  4. Step 4: Simplify right side
    153,232,007.20x = 28,271,056,908,669,928
  5. Step 5: Solve for x
    x = 28,271,056,908,669,928/153,232,007.20
  6. Step 6: Final answer
    x = 184,498,378.80

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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.