Home / 209,955,754.70-314,933,632.05-133,050,337.10

Finding the Fourth Proportional to 209,955,754.70, 314,933,632.05 and 133,050,337.10

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Solution

The fourth proportional to 209,955,754.70, 314,933,632.05 and 133,050,337.10 is: 199,575,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,955,754.70 : 314,933,632.05 = 133,050,337.10 : x
  2. Step 2: Convert to fraction form
    209,955,754.70/314,933,632.05 = 133,050,337.10/x
  3. Step 3: Cross multiply
    209,955,754.70x = 314,933,632.05 × 133,050,337.10
  4. Step 4: Simplify right side
    209,955,754.70x = 41,902,025,908,379,864
  5. Step 5: Solve for x
    x = 41,902,025,908,379,864/209,955,754.70
  6. Step 6: Final answer
    x = 199,575,505.65

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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.