Home / 217,735,451.90-326,390,601.45-194,777,200.70

Finding the Fourth Proportional to 217,735,451.90, 326,390,601.45 and 194,777,200.70

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Solution

The fourth proportional to 217,735,451.90, 326,390,601.45 and 194,777,200.70 is: 291,975,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,735,451.90 : 326,390,601.45 = 194,777,200.70 : x
  2. Step 2: Convert to fraction form
    217,735,451.90/326,390,601.45 = 194,777,200.70/x
  3. Step 3: Cross multiply
    217,735,451.90x = 326,390,601.45 × 194,777,200.70
  4. Step 4: Simplify right side
    217,735,451.90x = 63,573,447,685,220,352
  5. Step 5: Solve for x
    x = 63,573,447,685,220,352/217,735,451.90
  6. Step 6: Final answer
    x = 291,975,638.93

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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.