Home / 193,471,244.70-290,206,867.05-155,207,492.70

Finding the Fourth Proportional to 193,471,244.70, 290,206,867.05 and 155,207,492.70

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Solution

The fourth proportional to 193,471,244.70, 290,206,867.05 and 155,207,492.70 is: 232,811,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,471,244.70 : 290,206,867.05 = 155,207,492.70 : x
  2. Step 2: Convert to fraction form
    193,471,244.70/290,206,867.05 = 155,207,492.70/x
  3. Step 3: Cross multiply
    193,471,244.70x = 290,206,867.05 × 155,207,492.70
  4. Step 4: Simplify right side
    193,471,244.70x = 45,042,280,199,152,744
  5. Step 5: Solve for x
    x = 45,042,280,199,152,744/193,471,244.70
  6. Step 6: Final answer
    x = 232,811,239.05

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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.