Home / 220,128,026.40-330,192,039.60-124,576,538.40

Finding the Fourth Proportional to 220,128,026.40, 330,192,039.60 and 124,576,538.40

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Solution

The fourth proportional to 220,128,026.40, 330,192,039.60 and 124,576,538.40 is: 186,864,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,128,026.40 : 330,192,039.60 = 124,576,538.40 : x
  2. Step 2: Convert to fraction form
    220,128,026.40/330,192,039.60 = 124,576,538.40/x
  3. Step 3: Cross multiply
    220,128,026.40x = 330,192,039.60 × 124,576,538.40
  4. Step 4: Simplify right side
    220,128,026.40x = 41,134,181,300,603,728
  5. Step 5: Solve for x
    x = 41,134,181,300,603,728/220,128,026.40
  6. Step 6: Final answer
    x = 186,864,807.60

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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.