Home / 57,564,156.90-86,336,777.38-20,668,409.04

Finding the Fourth Proportional to 57,564,156.90, 86,336,777.38 and 20,668,409.04

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Solution

The fourth proportional to 57,564,156.90, 86,336,777.38 and 20,668,409.04 is: 30,999,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,564,156.90 : 86,336,777.38 = 20,668,409.04 : x
  2. Step 2: Convert to fraction form
    57,564,156.90/86,336,777.38 = 20,668,409.04/x
  3. Step 3: Cross multiply
    57,564,156.90x = 86,336,777.38 × 20,668,409.04
  4. Step 4: Simplify right side
    57,564,156.90x = 1,784,443,830,085,259.25
  5. Step 5: Solve for x
    x = 1,784,443,830,085,259.25/57,564,156.90
  6. Step 6: Final answer
    x = 30,999,217.68

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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.