Home / 82,950,528.80-124,425,793.20-65,818,445.60

Finding the Fourth Proportional to 82,950,528.80, 124,425,793.20 and 65,818,445.60

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Solution

The fourth proportional to 82,950,528.80, 124,425,793.20 and 65,818,445.60 is: 98,727,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,950,528.80 : 124,425,793.20 = 65,818,445.60 : x
  2. Step 2: Convert to fraction form
    82,950,528.80/124,425,793.20 = 65,818,445.60/x
  3. Step 3: Cross multiply
    82,950,528.80x = 124,425,793.20 × 65,818,445.60
  4. Step 4: Simplify right side
    82,950,528.80x = 8,189,512,300,971,050
  5. Step 5: Solve for x
    x = 8,189,512,300,971,050/82,950,528.80
  6. Step 6: Final answer
    x = 98,727,668.40

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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.