Home / 217,735,517.40-326,390,699.70-194,777,266.20

Finding the Fourth Proportional to 217,735,517.40, 326,390,699.70 and 194,777,266.20

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Solution

The fourth proportional to 217,735,517.40, 326,390,699.70 and 194,777,266.20 is: 291,975,737.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,735,517.40 : 326,390,699.70 = 194,777,266.20 : x
  2. Step 2: Convert to fraction form
    217,735,517.40/326,390,699.70 = 194,777,266.20/x
  3. Step 3: Cross multiply
    217,735,517.40x = 326,390,699.70 × 194,777,266.20
  4. Step 4: Simplify right side
    217,735,517.40x = 63,573,488,200,671,152
  5. Step 5: Solve for x
    x = 63,573,488,200,671,152/217,735,517.40
  6. Step 6: Final answer
    x = 291,975,737.17

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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.