Home / 121,413,086.60-182,119,629.90-82,671,037.70

Finding the Fourth Proportional to 121,413,086.60, 182,119,629.90 and 82,671,037.70

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Solution

The fourth proportional to 121,413,086.60, 182,119,629.90 and 82,671,037.70 is: 124,006,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,413,086.60 : 182,119,629.90 = 82,671,037.70 : x
  2. Step 2: Convert to fraction form
    121,413,086.60/182,119,629.90 = 82,671,037.70/x
  3. Step 3: Cross multiply
    121,413,086.60x = 182,119,629.90 × 82,671,037.70
  4. Step 4: Simplify right side
    121,413,086.60x = 15,056,018,789,372,948
  5. Step 5: Solve for x
    x = 15,056,018,789,372,948/121,413,086.60
  6. Step 6: Final answer
    x = 124,006,556.55

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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.