Home / 132,408,929.58-182,721,459.60-76,656,700.86

Finding the Fourth Proportional to 132,408,929.58, 182,721,459.60 and 76,656,700.86

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Solution

The fourth proportional to 132,408,929.58, 182,721,459.60 and 76,656,700.86 is: 105,784,589.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,408,929.58 : 182,721,459.60 = 76,656,700.86 : x
  2. Step 2: Convert to fraction form
    132,408,929.58/182,721,459.60 = 76,656,700.86/x
  3. Step 3: Cross multiply
    132,408,929.58x = 182,721,459.60 × 76,656,700.86
  4. Step 4: Simplify right side
    132,408,929.58x = 14,006,824,269,259,774
  5. Step 5: Solve for x
    x = 14,006,824,269,259,774/132,408,929.58
  6. Step 6: Final answer
    x = 105,784,589.56

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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.