Home / 168,521,000.40-252,781,500.60-47,352,452.40

Finding the Fourth Proportional to 168,521,000.40, 252,781,500.60 and 47,352,452.40

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Solution

The fourth proportional to 168,521,000.40, 252,781,500.60 and 47,352,452.40 is: 71,028,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,521,000.40 : 252,781,500.60 = 47,352,452.40 : x
  2. Step 2: Convert to fraction form
    168,521,000.40/252,781,500.60 = 47,352,452.40/x
  3. Step 3: Cross multiply
    168,521,000.40x = 252,781,500.60 × 47,352,452.40
  4. Step 4: Simplify right side
    168,521,000.40x = 11,969,823,974,762,070
  5. Step 5: Solve for x
    x = 11,969,823,974,762,070/168,521,000.40
  6. Step 6: Final answer
    x = 71,028,678.60

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1.5x scale

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.