Home / 209,953,808.70-314,930,713.05-133,048,391.10

Finding the Fourth Proportional to 209,953,808.70, 314,930,713.05 and 133,048,391.10

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Solution

The fourth proportional to 209,953,808.70, 314,930,713.05 and 133,048,391.10 is: 199,572,586.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,808.70 : 314,930,713.05 = 133,048,391.10 : x
  2. Step 2: Convert to fraction form
    209,953,808.70/314,930,713.05 = 133,048,391.10/x
  3. Step 3: Cross multiply
    209,953,808.70x = 314,930,713.05 × 133,048,391.10
  4. Step 4: Simplify right side
    209,953,808.70x = 41,901,024,679,278,272
  5. Step 5: Solve for x
    x = 41,901,024,679,278,272/209,953,808.70
  6. Step 6: Final answer
    x = 199,572,586.65

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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.