Home / 217,734,999.40-326,389,922.70-194,776,748.20

Finding the Fourth Proportional to 217,734,999.40, 326,389,922.70 and 194,776,748.20

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Solution

The fourth proportional to 217,734,999.40, 326,389,922.70 and 194,776,748.20 is: 291,974,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,734,999.40 : 326,389,922.70 = 194,776,748.20 : x
  2. Step 2: Convert to fraction form
    217,734,999.40/326,389,922.70 = 194,776,748.20/x
  3. Step 3: Cross multiply
    217,734,999.40x = 326,389,922.70 × 194,776,748.20
  4. Step 4: Simplify right side
    217,734,999.40x = 63,573,167,788,755,360
  5. Step 5: Solve for x
    x = 63,573,167,788,755,360/217,734,999.40
  6. Step 6: Final answer
    x = 291,974,960.22

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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.