Home / 133,039,389.40-199,472,478.90-119,434,499.80

Finding the Fourth Proportional to 133,039,389.40, 199,472,478.90 and 119,434,499.80

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Solution

The fourth proportional to 133,039,389.40, 199,472,478.90 and 119,434,499.80 is: 179,074,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,039,389.40 : 199,472,478.90 = 119,434,499.80 : x
  2. Step 2: Convert to fraction form
    133,039,389.40/199,472,478.90 = 119,434,499.80/x
  3. Step 3: Cross multiply
    133,039,389.40x = 199,472,478.90 × 119,434,499.80
  4. Step 4: Simplify right side
    133,039,389.40x = 23,823,895,741,287,556
  5. Step 5: Solve for x
    x = 23,823,895,741,287,556/133,039,389.40
  6. Step 6: Final answer
    x = 179,074,000.93

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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.