Home / 57,406,390.80-86,109,586.20-56,650,563.60

Finding the Fourth Proportional to 57,406,390.80, 86,109,586.20 and 56,650,563.60

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Solution

The fourth proportional to 57,406,390.80, 86,109,586.20 and 56,650,563.60 is: 84,975,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,406,390.80 : 86,109,586.20 = 56,650,563.60 : x
  2. Step 2: Convert to fraction form
    57,406,390.80/86,109,586.20 = 56,650,563.60/x
  3. Step 3: Cross multiply
    57,406,390.80x = 86,109,586.20 × 56,650,563.60
  4. Step 4: Simplify right side
    57,406,390.80x = 4,878,156,589,592,783
  5. Step 5: Solve for x
    x = 4,878,156,589,592,783/57,406,390.80
  6. Step 6: Final answer
    x = 84,975,845.40

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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.