Home / 57,564,153.90-86,336,772.89-20,668,406.04

Finding the Fourth Proportional to 57,564,153.90, 86,336,772.89 and 20,668,406.04

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Solution

The fourth proportional to 57,564,153.90, 86,336,772.89 and 20,668,406.04 is: 30,999,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,564,153.90 : 86,336,772.89 = 20,668,406.04 : x
  2. Step 2: Convert to fraction form
    57,564,153.90/86,336,772.89 = 20,668,406.04/x
  3. Step 3: Cross multiply
    57,564,153.90x = 86,336,772.89 × 20,668,406.04
  4. Step 4: Simplify right side
    57,564,153.90x = 1,784,443,478,170,442.25
  5. Step 5: Solve for x
    x = 1,784,443,478,170,442.25/57,564,153.90
  6. Step 6: Final answer
    x = 30,999,213.18

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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.