Home / 138,452,857.74-191,123,774.21-86,267,676.60

Finding the Fourth Proportional to 138,452,857.74, 191,123,774.21 and 86,267,676.60

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Solution

The fourth proportional to 138,452,857.74, 191,123,774.21 and 86,267,676.60 is: 119,086,050.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,452,857.74 : 191,123,774.21 = 86,267,676.60 : x
  2. Step 2: Convert to fraction form
    138,452,857.74/191,123,774.21 = 86,267,676.60/x
  3. Step 3: Cross multiply
    138,452,857.74x = 191,123,774.21 × 86,267,676.60
  4. Step 4: Simplify right side
    138,452,857.74x = 16,487,803,944,119,700
  5. Step 5: Solve for x
    x = 16,487,803,944,119,700/138,452,857.74
  6. Step 6: Final answer
    x = 119,086,050.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.