Home / 133,059,428.60-199,589,142.90-64,945,815.80

Finding the Fourth Proportional to 133,059,428.60, 199,589,142.90 and 64,945,815.80

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Solution

The fourth proportional to 133,059,428.60, 199,589,142.90 and 64,945,815.80 is: 97,418,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,059,428.60 : 199,589,142.90 = 64,945,815.80 : x
  2. Step 2: Convert to fraction form
    133,059,428.60/199,589,142.90 = 64,945,815.80/x
  3. Step 3: Cross multiply
    133,059,428.60x = 199,589,142.90 × 64,945,815.80
  4. Step 4: Simplify right side
    133,059,428.60x = 12,962,479,710,463,278
  5. Step 5: Solve for x
    x = 12,962,479,710,463,278/133,059,428.60
  6. Step 6: Final answer
    x = 97,418,723.70

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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.