Home / 209,953,775.45-314,930,663.18-133,048,357.85

Finding the Fourth Proportional to 209,953,775.45, 314,930,663.18 and 133,048,357.85

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Solution

The fourth proportional to 209,953,775.45, 314,930,663.18 and 133,048,357.85 is: 199,572,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,775.45 : 314,930,663.18 = 133,048,357.85 : x
  2. Step 2: Convert to fraction form
    209,953,775.45/314,930,663.18 = 133,048,357.85/x
  3. Step 3: Cross multiply
    209,953,775.45x = 314,930,663.18 × 133,048,357.85
  4. Step 4: Simplify right side
    209,953,775.45x = 41,901,007,572,710,456
  5. Step 5: Solve for x
    x = 41,901,007,572,710,456/209,953,775.45
  6. Step 6: Final answer
    x = 199,572,536.78

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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.