Home / 119,780,874.60-179,671,311.90-76,734,153.60

Finding the Fourth Proportional to 119,780,874.60, 179,671,311.90 and 76,734,153.60

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Solution

The fourth proportional to 119,780,874.60, 179,671,311.90 and 76,734,153.60 is: 115,101,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,780,874.60 : 179,671,311.90 = 76,734,153.60 : x
  2. Step 2: Convert to fraction form
    119,780,874.60/179,671,311.90 = 76,734,153.60/x
  3. Step 3: Cross multiply
    119,780,874.60x = 179,671,311.90 × 76,734,153.60
  4. Step 4: Simplify right side
    119,780,874.60x = 13,786,926,044,848,108
  5. Step 5: Solve for x
    x = 13,786,926,044,848,108/119,780,874.60
  6. Step 6: Final answer
    x = 115,101,230.40

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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.