Home / 121,413,171.60-182,119,757.40-82,671,122.70

Finding the Fourth Proportional to 121,413,171.60, 182,119,757.40 and 82,671,122.70

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Solution

The fourth proportional to 121,413,171.60, 182,119,757.40 and 82,671,122.70 is: 124,006,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,413,171.60 : 182,119,757.40 = 82,671,122.70 : x
  2. Step 2: Convert to fraction form
    121,413,171.60/182,119,757.40 = 82,671,122.70/x
  3. Step 3: Cross multiply
    121,413,171.60x = 182,119,757.40 × 82,671,122.70
  4. Step 4: Simplify right side
    121,413,171.60x = 15,056,044,810,109,634
  5. Step 5: Solve for x
    x = 15,056,044,810,109,634/121,413,171.60
  6. Step 6: Final answer
    x = 124,006,684.05

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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.