Home / 56,840,000.60-85,260,000.90-20,952,205.40

Finding the Fourth Proportional to 56,840,000.60, 85,260,000.90 and 20,952,205.40

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Solution

The fourth proportional to 56,840,000.60, 85,260,000.90 and 20,952,205.40 is: 31,428,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,840,000.60 : 85,260,000.90 = 20,952,205.40 : x
  2. Step 2: Convert to fraction form
    56,840,000.60/85,260,000.90 = 20,952,205.40/x
  3. Step 3: Cross multiply
    56,840,000.60x = 85,260,000.90 × 20,952,205.40
  4. Step 4: Simplify right side
    56,840,000.60x = 1,786,385,051,260,984.75
  5. Step 5: Solve for x
    x = 1,786,385,051,260,984.75/56,840,000.60
  6. Step 6: Final answer
    x = 31,428,308.10

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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.