Home / 53,217,000.80-79,825,501.20-48,115,167.20

Finding the Fourth Proportional to 53,217,000.80, 79,825,501.20 and 48,115,167.20

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Solution

The fourth proportional to 53,217,000.80, 79,825,501.20 and 48,115,167.20 is: 72,172,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217,000.80 : 79,825,501.20 = 48,115,167.20 : x
  2. Step 2: Convert to fraction form
    53,217,000.80/79,825,501.20 = 48,115,167.20/x
  3. Step 3: Cross multiply
    53,217,000.80x = 79,825,501.20 × 48,115,167.20
  4. Step 4: Simplify right side
    53,217,000.80x = 3,840,817,337,061,801
  5. Step 5: Solve for x
    x = 3,840,817,337,061,801/53,217,000.80
  6. Step 6: Final answer
    x = 72,172,750.80

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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.